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JinYan Guo,Yu Gao,Jingyi Zhao KOREA INSTITUTE FOR HUMANITIES AND SOCIAL SCIENCES 2024 Journal of Arts and Cultural Studies(ACS) Vol.3 No.1
With the rapid development of the social economy, women’s status is gradually improving. Many feminist films are entering the film market. It has becomea new hot topic recently. The development of feminist film theory can be traced back to the 1960s. The scholars began to pay attention to the presentation of women in films and the ideology of gender narrative in films. At the same time, its development trend rapidly expanded globally with the rise of the first feminist movement. In this process, feminist ideas also began to influence the film industry, gradually making female characters and themes important film components. Purpose: Feminist film theory is an important genre of contemporary film theory, originating in the 1960s. It is a theoretical school that integrates various theories and methods, such as psychoanalysis, post-structuralism, and semiotics, for comprehensive research. This article explores how feminist films should avoid existing problems and continue to develop based on Freud's theory of sexual development trends in his " Three Essays on the Theory of Sexuality ". Methods: This article adopts methods such as literature review, comparative research, and case analysis to explore the future development trends of feminist films from multiple perspectives. Results: This article explored and analyzed the development process of feminism as portrayed in Freud's " Three Essays on the Theory of Sexuality " and Laura Mulvey's feminist film theory from multiple aspects and proposed its future development strategies. Conclusion: In recent years, feminist films have been continuously developed and show diversified themes and genres. However, feminist films, both domestically and internationally, have not yet formed a complete system and corresponding theories. For example, their in-depth exploration of the core theme and innovation in films’ content and themes needs development. Therefore, in response to such issues, the future development measures for feminist films are as follows: 1. Increase the proportion of female directors; 2. Increase the diversity of female characters; 3. Pay attention to women's issues and conduct in-depth exploration; 4. Enhance the innovation of its localized story; 5. Strengthen international cooperation; 6. Provide National policy support.
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Cong Feng,Zhaojun Yang,Chuanhai Chen,Jinyan Guo,Hailong Tian,Fanning Meng 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.6
Accuracy retention is an important performance index of CNC machine tools. At present, research on the evaluation of machining accuracy retention of CNC machine tools mainly focuses on accuracy value of a fixed time point or different time periods, but studies on the fluctuation degree of degradation trajectory related to time change are limited. Extracting simple and effective degradation characteristics of machining accuracy and then evaluating machining accuracy retention considering fluctuation of degradation trajectory are necessary. The volume error model of CNC machine tools is established on the basis of multibody system theory in this study. Three-dimensional volume error vector is transformed into one-dimensional machining accuracy degradation by calculating offset distance between spatial error and origin points. Degradation data obtained via regular measurement and calculation are used to establish the complete degradation trajectory model of the CNC machine tools machining accuracy using radial basis function interpolation method according to the fluctuation degree of degradation trajectory, and concepts of average degradation rate and average degradation amount are defined. Lastly, examples showed that these two indicators can intuitively reflect fluctuation degree of machining accuracy degradation of CNC machine tools and effectively and quantitatively evaluate accuracy retention of CNC machine tools. The quantitative evaluation method of accuracy retention of CNC machine tools defined in this study considers the fluctuation degree of accuracy degradation trajectory. The quantitative evaluation index of accuracy retention demonstrates satisfactory engineering application because it can reflect not only the accuracy change of a single machine tool but also accurately compare the accuracy retention between different machine tools.
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