The intervention strategy can cater to the university students’character in both body and physiology. After the test, the trial class’s lung capacity and step index are obviously different compared with the status before the experience.3 .
2体育教学干预策略符合大学生的身心发展特点,从心肺功能指标测试结果看,实验班实验后肺活量、台阶指数指标有一定的提高。
参考来源 - 体育教学中的干预策略对大学生体质与健康影响的实验研究This paper's research purpose is to discuss the relationship of body mass index, waist circumference, waist-hip ratio, step index with blood pressure in adult of Dalian residents.
本论文研究目的是探讨大连市成年人体重指数、腰围、腰臀比、台阶指数与血压的关系。
参考来源 - 大连市成年人血压相关影响因素分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The second part is the mode transition property and the energy occupation of each mode in step-index optical fiber according to the mode solution.
第二部分根据模式表达式具体分析了平面波在阶跃光纤中的传播特性。
Then in analogy with the theory of step-index fibers, the effective index of the fundamental mode and the dispersion of PCF can be calculated simply.
然后通过用类似于阶跃折射率型光纤的理论，很容易计算出光子晶体光纤的基模模式折射率和色散。
Then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes.
接着推导了阶跃折射率平面介质波导和圆光纤的正交模式——包括束缚模式和辐射模式。
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