By mainly using literature and logic method this paper discusses the traits, classification and selection of P. E. teaching model.
运用文献资料法、逻辑法对体育教学模式的特点、分类和选择进行了初步探讨。
R. system is the suitable selection of recognition method. The methods of P.
设计一个识别系统的关键在于适当地选择识别方法。
The main characteristics of graphite powder are introduced with the influence on P/M details performance. The principles of selection are proposed.
本文介绍了石墨粉的主要特点。说明了石墨粉的特性对粉末冶金结构零件材料性能的影响。最后提出了选用石墨的基本准则。
Objective To investigate the serum level of P-selection (CD62P) and lysosome protein (CD63) in the patients with cerebral infarction and its effect on the cerebral infarction.
目的探讨急性脑梗死患者血浆P选择素(CD62P)、溶酶体蛋白(CD63)浓度的变化及其与脑梗死的关系。
The result shows that P PEM is a simple, clear and practical original wave field model, which can be widely used in coastal works, such as the selection of harbour sites.
事实证明：P-PEM是一种简洁、实用的原始波场计算模型，适用于海岸工程方案规划比选等诸多领域。
The result shows that P PEM is a simple, clear and practical original wave field model, which can be widely used in coastal works, such as the selection of harbour sites.
事实证明：P-PEM是一种简洁、实用的原始波场计算模型，适用于海岸工程方案规划比选等诸多领域。
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