【摘 要】
:
学生体质健康问题一直是社会关注的焦点。为准确掌握我国儿童青少年体质健康状况和发展变化趋势,教育部等相关部门自1985年开始,先后组织开展了8次全国学生体质与健康调研。
论文部分内容阅读
学生体质健康问题一直是社会关注的焦点。为准确掌握我国儿童青少年体质健康状况和发展变化趋势,教育部等相关部门自1985年开始,先后组织开展了8次全国学生体质与健康调研。数据结果表明:自1985年以来,各学段城乡男女学生的爆发力、耐力、速度、力量、柔韧性等主要身体素质指标连续20年下降,2005年达到了谷底。与此同时,肺活量持续下降,肥胖和超重、视力不良检出率持续上升。增强青少年体质、促进青少年健康成长是关系国家和民族未来的大事。
其他文献
<div style="text-align:justify;"> <span style="font-family:Verdana;">Iterative learning control is a controlling tool developed to overcome periodic disturbance
In the last decade, a few valuable types of research have been conducted to discriminate fractured zones from non-fractured ones. In this paper, petrophysical a
2021年5月7-9日,中国教育学会体育与卫生分会在扬州召开“第四批体育卫生专项课题培训会及重点课题开题论证会”,此次会议由扬州大学体育学院和扬州市教育局承办。中国教育学
Modern Artificial Intelligence(AI)systems largely rely on advanced algorithms,including machine learning techniques such as deep learning.The research community
各省、自治区、直辖市教育厅(教委),新疆生产建设兵团教育局:为贯彻落实《健康中国行动(2019-2030年)》《关于全面加强和改进新时代学校体育工作的意见》等文件精神,确保2030
In traditional nasal surgery,surgeons are prone to fatigue and jitter by holding the endoscope for a long‐time.Some complex operations require assistant surgeo
Deep learning has evolved as a strong and efficient framework that can be applied to a broad spectrum of complex learning problems which were difficult to solve
2021年5月25日,以“着力落实‘双减’要求促进学生全面发展”为主题的北京市中小学课外活动模式创新与应用研究现场会在首都师范大学附属育新学校举行,现场汇报展示了足球、
As the fault‐based attacks are becoming a more pertinent threat in todays era of edge computing/internet‐of‐things,there is a need to streamline the existing
Action recognition based on 3D skeleton data has attracted much attention due to its wide application,and it is one of the most popular research topics in compu