Gravel multi-function impact test enginery main standard components are: shot gun components, collision chamber and specimens grippers.
砂砾多功能冲击试验机主要的标准组件有：射枪组件、碰撞室和试件夹持器。
Emphasizes the conception, classification, the effect of procreative enginery of human and animals, and discusses the mechanism of environmental hormone.
结合环境激素的概念、分类，以及对人类和动物生殖机能的影响，着重探讨了环境激素作用的机理。
In the practice of physical education, the fully use of Imagery enginery of human mind and efficient Imagery Training method have a positive impact on the teaching quality.
在体育教学实践中，充分利用人脑表象机能，运用有效的表象训练法，对教学质量有着积极意义。
In the practice of physical education, the fully use of Imagery enginery of human mind and efficient Imagery Training method have a positive impact on the teaching quality.
在体育教学实践中，充分利用人脑表象机能，运用有效的表象训练法，对教学质量有着积极意义。
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