The optimum design of synchronous belts with structure parameters is explored in this paper, taking the belt length, width and centre distance as objective functions.
以带长、带宽、中心距作为目标函数，对齿形带结构参数的优化设计进行了探讨。
Objective To clone and express the hexamer of the gene of spider dragline silk protein, as a foundation of further research on the functions of the dragline silk protein gene of different lengths.
目的克隆与原核表达“牵引丝蛋白基因”单体六聚物，为开展具有不同长度系列的“牵引丝蛋白基因”单体多聚物的功能研究奠定基础。
This system consists of many functions, such as statistical, numerical forecasting, objective inference and integrated decision models, synopsis of the system, display and service, etc.
该系统包括资料处理、动力、统计、数值预报、客观推理系统、综合决策(集成)等模式，以及系统简介和显示服务等功能。
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