..., causes and effects of teeth missing, characteristics of FPD) 第二节 固定义齿的组成和分类(Components and Types of FPD) 50 分 一、固定义齿的组成(Components) 10 分 固位体(retainer)、桥体(pontic)、连接体(connector) 二、固定义齿的类型(T...
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首先,本文介绍机械手的作用,机械手的组成和分类,说明了自由度和机械手整体座标的形式。
The first, The paper introduces the function, composing and classification of the manipulator, tells out the free-degree and the form of coordinate.
本文介绍了树脂基复合材料的性能特点、组成和分类,重点介绍了树脂基复合材料的成型工艺及其在汽车上的应用。
This paper introduces the performance, composition and classification, mainly introduced the mold process of resin matrix composite and the application in automobile.
它们是由细微的藻类、生物和细菌组成的漂流汤,甚至算不上一组物种,但是却连接起了整个分类王国。
A drifting soup of microscopic algae, creatures and bacteria, they are not even one group of species but bridge entire taxonomic kingdoms.
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