period是什么意思

网络释义

用法例句

Based on the theory of metal plastic deformation, and take the steel-ball as a object, a mathematic model of continuous rolling with periodic section workpiece has been established.

基于金属塑性变形原理,以钢球坯为研究对象,建立了周期断面纵轧的连轧数学模型;以周节为基本变形单元体,研究了咬入区不产生后滑的轧件周节关系及相位调节原理。

This paper introduces the auto measure system of the parameter error of the gear klot.

本文介绍齿轮周节参数误差自动测量系统。

To solve the problem of inline measuring hobs with bigger modulus in practice production,an inline measuring system for the circular pitch error of hobs is introduced.

为了解决实际生产中大模数滚刀的在线测量,提出一种滚刀容屑槽周节误差测量系统。

The rave engage coefficient value of change weekly link gear pair in shape taking mechanism of winding machine has got proven in it.

以实际测绘数据为依据 ,求证了络丝机成形机构中罕见的变周节齿轮副的啮合系数值 ,进而推论出该类齿轮的原设计意图、有关特性及适用范围。