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The COVID-19 devastated the U.S. economy dramatically, which broke the largest shrank record from 1947. The U.S. stock market faced a series of huge fluctuations during the pandemic. Due to more stimulated injection policies and online communication demands, the U.S. technology industry faced a structural...

After the founding of New China, especially in the past 30 years of reform and opening up. A large number of new Lingnan gardens have emerged in the Lingnan area which it different from the Lingnan gardens in the past.Their forms and contents have obviously more urban greening (urban large gardens) characteristics....

In this paper, the Markowitz Model and the Single-Index Model were used to study U.S. stocks. Four industries of U.S. stocks were selected to empirically analyze the data from 2002 to 2021, and the combination selection results given by the two models under five restrictions were compared. The results...

Aiming to balance the robustness and imperceptibility of database watermark, propose a wavelet transform (DWT) based blind watermarking algorithm. The algorithm screens candidate attributes that can be embedded watermark and conducts subset segmentation and rearrangement, and then performs DWT transformation...

The article is devoted to analysis and assessment of the place of Russian regions in terms of labor productivity in context of the global economic space. Its main goal is to identify (empirical) patterns of acceleration or deceleration of the growth rate of above mentioned indicator on the basis of large...

Learning anxiety becomes a common mental problem among students nowadays. The main purpose of this article is to investigate what makes overseas Chinese students of non-English majors feel anxious about English learning and how to solve this problem and focus on the research towards English language...

To predict the performance of cooling tower used in air conditionings in variable operating conditions, a steady state model of cooling tower suitable for variable conditions simulation was built and tested. Comparison between the prediction value and the experimental value shows good agreement. The...

Covid-19 began in 2020 in an unexpected way as the most serious global non-traditional security shock in a century. China is the first major economy to resume growth since the outbreak, and it is at the forefront of the world in terms of epidemic prevention and control and economic recovery. However,...

The Chinese cosmetic market is developing rapidly in recent years and has become one major aspect of Chinese consumption. This paper uses a multiple regression model to analyze the factors affecting the cosmetics industry in China. The paper would firstly look at related research in this field and present...

Women have a lot of unresolved psychological issues after being sexually assaulted. These issues are often the easiest to be ignored. These problems also hurt their soul and dignity. In Our country, this issue has also aroused the attention of the country and all walks of life in this field. This paper...

The educational development of children with autism is an important social issue today. Many children with autism often have many unexpected situations when they receive the same education as ordinary children, and many parents and teachers fail to identify the educational deficiencies and needs of children...

The purpose of this paper is to take a compelling case for the role of online learning platforms in facilitating student learning and to explore plausible strategies for optimizing the student learning experience. The project described in this paper is based on a fourth-grade English language arts course....

ZigBee routing protocol study and optimization for the problem of the effects of flooding AODVjr algorithm RREQ packet. By introducing new coordinate parameters and other methods to control the RREQ packet forwarding. Network robustness problem and prolong the life of the network, by changing the algorithm...

The article presents a study of the predictors for successful self-disclosure of high school students’ abilities in the 11th grade. The main categories of research are presented. We substantiated the problem of the uncertainty for predictors in the context of self-disclosure of the high school students’...

It is important to figure out a company’s financial situation in order to analysis investment, borrowing, mergers and acquisitions, fraud surveys, and competitive intelligence. This is also beneficial when assessing the corporation financial situation itself. This paper studies a typical enterprise in...

Based on the analysis of the workflow patterns, this paper designs the active state of the workflow, and puts forward the idea of the logical design of the engine driven. It can conveniently define the information model of the workflow based on relational database systems, it can effectively reduce the...

Fast food refers to popular catering that commercial enterprises quickly supply. The fast-food industry, which can be processed quickly and eaten anytime and anywhere, has become increasingly important in the wake of COVID-19. The purpose of this article is to study the different factors that affect...

This study aimed to reviewed studies on the assimilation in U.S.’s education systems, specifically how assimilation and assimilation policies have impacted immigrant students’ academic trajectory. This article begins with the review for assimilation education in America. Teachers in America have different...

The weighted average cost of capital (WACC) is used to estimate the profitability of the company’s capital, the rate of return of the investment project and business. Within the framework of the article, an analysis of the methods for calculating the weighted average cost of capital of a company was...

Mental disorders have now played an increasingly crucial part in triggering disability, among which depression is especially worth attention. Its prevalence has been very high worldwide, especially in undeveloped and unwealthy countries and areas. This mental disorder can be found in a wide range of...

Film-related videos has been invented and developed in a rapid speed after the development of information age. This paper examines how the development of the information age has affected the trend of movie-watching. Here, in order to understand the film-watching habits of the public, I obtained quantitative...

As Internet communications and applications become more and more complex, accurately describing network traffic information and rapidly monitoring network traffic anomalies have become increasingly challenging tasks. In this paper, we present a framework and method for monitoring network traffic through...

In the course of the history of cosmology, the Friedman-Lemaˆıtre-Robertson-Walker (FLRW) metric and Einstein's general relativity provided the basis for many theories in cosmology, including the one by James Peebles with the cosmological constant Λ, cold dark matter This theory, which describes...

Psychologists have divided one’s secure levels into three types of attachment: secure attachment style, anxious attachment style, and avoidant attachment style. These types of attachment are easily formed due to parental neglect and environmental anxiety during infant periods. Although the attachment...

With the advent of the epidemic era and the massive use of information technology in the work environment, task interruptions have become more frequent and unavoidable, which has a significant impact on the work of employees in organizations. By collecting and organizing the literature of work interruption-related...

The outbreak of the COVID-19 causes multifaceted disruptions and delays in the global supply chain, commodity shortages, and price increases, and may also exacerbate inflation caused by global monetary overdraft. Based on the game model, we analyze the cooperation and decision-making behaviors of suppliers...

The article presents various methods of investment performance evaluation that are currently in use. To evaluate and compare the efficiency of each financial assessment tool, three largest Russian industrial companies were selected and their six-year financial quotes were used. The evaluation findings...

When the number of labeled training samples is very small, the sample information people can use would be very little and the recognition rates of traditional image recognition methods are not satisfactory. However, there is often some related information contained in other databases that is helpful...

Chinas’ E-sports industry have the largest population of game players in the worldwide, Currently, over 600 million people, play games on phones, computers or game consoles. The impact of E-sports Industry has comprehensive influence on Chinese Social Economy since 2013. With the support of local industrial...

A robust flight control method based on the particle swarm optimization (PSO) algorithm is approved in this paper. Because of non-modeling dynamic character and parameter uncertainty are taken into consideration during the controller design process, the flight controller has strong robustness, excellent...

Under the background of informatization, digitization, networking and intellectualization, the traditional teaching mode of colleges and universities cannot meet the needs of the development of modern society. In order to cultivate modern and high-quality talents, colleges and universities need to build...

In Canada, the term “feminism” has begun to emerge since the late 19th century when there was the first wave of Canadian feminism. The era of this initial movement advocating for women’s right to vote came to an end around 1920. The second wave, which ended around 1985, was in support of equality in...

The World Health Organization ranked major depression disorder (MDD) as the third largest burden of disease globally, and it is projected to become number one by 2030. Interest in pleasurable activities, guilt or worthlessness, low energy, poor concentration, altered appetite, low intelligence or restlessness,...

China has a very rich wine culture, and there is even a large amount of famous wine inherited for hundreds of years. Social intercourse at the dinner table is also inevitable in Chinese culture, which means that liquor is an essential consumer goods in daily life. And the general consumer goods will...

Based on scientific and practical ideas about regional economic integration, a modern strategy of China’s integration is presented. It is considered in the context of the initiative “One belt, one road”, proclaimed by the leadership of the country. Arguments are given that the initiative is designed...

An unmanned helicopter dynamic model identification method based on immune particle swarm optimization (PSO) algorithm is approved in this paper. In order to improve the search efficiency of PSO and avoid the premature convergence, the PSO algorithm is combined with the immune algorithm. The unmanned...

The publications in international journals are widely perceived to be the crucial indicator in global ranking tables. To increase China’s competitiveness in the global knowledge economy, the tenure track system is introduced in Chinese elite universities, aiming to realize the transition from key universities...

With the increasingly stronger bonds between Germany and China, German is now one of the most preferred minority languages for Chinese learners. The problem of negative L1 transfer of native Chinese speakers in the process of learning German is also gaining more focus. However, as an important grammatical...

Medium logic completely reflects both the contrary relation and the contradictory relation. This paper introduces fuzzy privative and opposition privative in traditional knowledge representation. It takes a power transmission and distribution program for example, adopts a ratio function of distance to...

The topic of employees’ competitiveness introduces new issues into the era of digital transformation. Employees should not only to possess the necessary digital competencies, but to improve them, as well as to acquire additional digital competencies to increase their competitiveness. There is a methodology...

The construction of an ecological civilisation is an important part of the construction of socialism with Chinese characteristics and is related to the well-being of the people and the future of the nation. Environmental auditing is an important guarantee for the construction of ecological civilization,...

What is valued by parents for their children’s qualities worth investigating. Additionally, possible demographic characteristics of parents may change their perception of valued qualities. This investigation interested in how age, income level and highest educational level attained influence parents’...

With the development of information technology and its in-depth application in the field of education, colleges and universities are actively building intelligent teaching system, but there are many problems in the operation and management of the system, and the advantages of the system have not been...

The paper examines whether the coronavirus pandemic has affected selected hedge fund markets (Eurekahedge Hedge Fund Index, Eurekahedge North American Hedge Fund Index, Eurekahedge European Hedge Fund Index, Eurekahedge Asian Hedge Fund Index). The purpose of the paper is to assess the degree of the...

A new idea about realizing the typing exam system was proposed. The exam system is based on network. It takes full advantage of the Browser/Server model, such as the strong interaction, high rapidity, security and the strong share. The exam system is developed with ASP. It is simple to install, easy...

With the improvement of women’s social status, women try to seek higher positions in firms. The female perspective is prevalent in corporate governance researches. This study aims to figure out does gender diversity on boards influences corporate performance in China. The researcher uses panel regression...

As the language that carries Internet culture, Internet hot words are gradually becoming mature with the development of the times. With their increasing influence in social life, in recent years, scholars have aroused the research of Internet hot words, and achieved good results. certain results. Hot...

What is the reason why most hotel management students have fled the industry after internship? What factors affect their career values in the process of internship? Based on the theory of cognitive dissonance and the method of in-depth interview, the research conducted in-depth interviews with 8 interns...

The development of financial technology has changed the financial format and reshaped the financial pattern, at the same time, it also brings a series of risks of traditional finance and technology finance, the importance and urgency of financial technology risk monitoring, early warning and prevention...

The rapid development of mobile technology has brought the change of learning. Mobile learning refers to a new kind of learning for the use of wireless communication technologies and mobile equipments to obtain the educational information, resources, and services. The framework of mobile learning system...