track grade

Adopting educational experiment methods, this paper studied the effects of Guidance-finding Model in track and field technique teaching in Grade 98 of East China University of Communications.

主要运用教育学实验方法，对指导发现教学模式在华东交通大学98级田径普修技术教学中的应用效果进行实证性研究。

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causes giving rise to excess of limit in track grade at station yard and its remedy

车站站场股道坡度超限原因及对策

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The installment and dismantle of track framework be done under the wind force below grade 4.

4升降机导轨架的安装与拆卸必须在风力小于4级的天气情况下进行.

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Study on vertical load transmission through track structure is always one of hot and difficult spots in railway engineering, it is also one question that must be solved for design of track structure and sub-grade, much study have been made by home and overseas researchers.

轨道结构垂向力的研究一直是铁路工程研究的热点和难点之一，也是对轨道结构和路基进行设计必须要解决的问题，国内外学者对此进行了大量的研究。

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William began his track career in seventh grade, his interest sparked in his PE class.

伟康对径赛的兴趣在体育课中绽放光芒,那时, 他七年级.

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