The spine has been theorized as a "protected" environment because it is not a synovial joint, has less range of motion, and different loading mechanisms than the hip or knee joint.
因为脊柱不是滑膜关节,它的活动度小,与髋关节和膝关节的载入机制不同,所以被理论化为一种不受影响的环境。
The data transform stage is separated, while provides data transform reuse mechanisms, who may save the rules and use its for extracting the daily incremental data, transform and loading;
将数据的转换阶段单独分离出来,同时提供数据转换重用机制,将那些可以重用的规则保存下来以便于日常增量数据的定时抽取、转换及加载;
This paper presents the main types and features of luffing mechanisms of goose neck jib lorry loading cranes and proposes design requirements for 304304 type luffing mechanism.
介绍了随车起重机变幅机构的主要形式和特点,提出304304型变幅机构在设计时的要求。
应用推荐