This paper describes the significance, constitution and approaches of exploiting national fitness project in physical education in middle school. It states that the exploitation of national fitness project is helpful to achieve the educational goal of "people-oriented", the traditional sports culture can be widely disseminated and effectively inherited; the cultural value of school sports can be enriched. It elaborates the national fitness project mainly consists of projects of entertainment, competition and those reflecting the festival. This paper discusses the approaches of exploiting national fitness project, such as changing the concept of education and establishing a scientific concept of sports resources, further strengthening the sorting, excavation and research of national traditional fitness project, meeting young students' physical and mental characteristics of in the choice of content, and highlighting the national characteristics and geographical characteristics of national fitness projects. It aims to integrate the national fitness project into physical education, enrich the resources of middle school PE curriculum and promote the comprehensive development of middle school students.
Foldable display has attracted more and more attention due to its light weight and deformable property. However, there is no mass production for foldable display so far, this is mainly because there are lots of technical challenges such as fracture of brittle layer, failure of thin film encapsulation and so on. In this paper, the technical challenge of foldable display is discussed systematically. Then improvement method was used to improve the mechanical reliability of the foldable display. The influence factor of metal line and the failure mechanism of OLED/TFE device were both studied.
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