prime circle的例句大全

He paper discusses the analytical method to determine the offset e and the radius γ 0min of the minimum prime circle of disc cams with translating roller followers nuder the condition that motion laws and the allowable pressure angle are given.

本文讨论了在运动规律和许用压力角给定情况下确定滚子直动推杆盘形凸轮机构的偏距e和最小基圆半径r0min的解析方法。

the optimists point to italy, where the appointment of mario monti as prime minister has led to a seemingly virtuous circle of reforms and lower market interest rates.

乐观者会提到意大利，出任意大利总理的马里奥蒙蒂（Mario Monti）似乎促成了改革与市场利率降低之间的良性循环。

according to the demand of the absolute measurement by the low-latitude meridian circle, for problems of the measurement of the zenith distance in the direction of the prime vertical using the slant silts, the previous grating form is improved based on the former micrometer scheme.

根据低纬子午环绝对测定的要求，在原来的测微器方案〔1〕的基础上，针对斜狭缝用于卯酉方向测定天顶距时所存在的问题，对原来的视栅形式作了进一步改进。