1. Results Not only the structure of cubital and carpal tunnel cauld be showed clearly, but also the cause of the cubital and carpal tunnel syndrome could be distinct. 结果高频超声不仅能清晰显示构成肘管及腕管的骨质、软组织及其内容物，而且能够明确肘管和腕管综合征的病因以及尺神经和正中神经的形态学变化。
2. Results Not only the structure of cubital and carpal tunnel cauld be showed clearly, but also the cause of the cubital and carpal tunnel syndrome could be distinct. 结果高频超声不仅能清晰显示构成肘管及腕管的骨质、软组织及其内容物，而且能够明确肘管和腕管综合征的病因以及尺神经和正中神经的形态学变化。
3. Formation center tester(FCT) is made up of hydraulic power joint, double PACKER joint, opposing infuse joint, numeric pump exhausting joint, sensor joint and sampling tube joint. 钻井油气层测试器是由液压动力短节、双PACKER短节、反向注入短节、数字泵抽短节、传感器短节和取样筒短节组成的。
4. The shoulder is a complex joint which consists of sternoclavicular joint, clavicle, acromioclavicular joint, scapula, glenohumeral joint, proximal humerus and scapulothoracic joint. 肩关节是由胸锁关节、骨、锁关节、胛骨、肱关节、骨近端以及肩胛胸壁关节共同组成的复杂结构。
5. The material choice, moulding method, joint principle and shape design of hinge joint, hasp joint, clamp joint and press fit joint of normal plastics were introduced. 介绍常用塑料铰链联接、搭扣联接、卡夹联接、压力装配联接的联接件材料选择、成型方法、联接原理、形状设计等。
