求翻译：摘 要：本文采用文献资料法、实验法、数理统计法、比较分析法，对沈阳市新兴中学九年级学生的体质健康现状进行研究。通过结果显示，沈阳市新兴中学九年级学生的体质健康等级为优秀的为12.3%，不及格的达到了20.3%。影响体质健康有诸多因素：课业负担重，锻炼时间少；健康意识淡薄，不重视锻炼；体育课运动量不足，起不到锻炼效果；怕出现伤害事故，降低了教学难度；营养不均衡，学生的睡眠不足。通过结果探讨分析影响因素，提出提高沈阳市新兴中学体质健康的对策，为体育和健康教育工作提供依据。是什么意思？

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Abstract: This article uses the literature material law, the cut-and-try method, the mathematical method of average, the comparison analytic method, conducts the research to the Shenyang Emerging Middle school nine grade student's physique healthy present situation.Demonstrated through the result th

Abstract: this paper adopts laws on documentation, experiment, statistical methods, comparative analysis, ninth grade students in Shenyang new schools to study the physical health conditions. Passing results show that emerging high school ninth grade students in Shenyang physical health level for th