common proper-motion binary

A Double Row of Gear Planetary Gear Reducer with the Design and Genetic Algorithm Optimization

一种双行星排齿轮减速器的配齿设计与遗传算法优化

external planetary arrangement

外啮双排行星齿轮机构

engine cylinders radial arrangement

发动机双排汽缸星形排列

Research on the Transform between Simple and Compound Planet Gear Sets

论简单行星排和复合行星排运动学转换

Can you manage 4 doubles and 6 single - for a week that will be .

请安排四间双人房和六间单人房-住一星期。

Can you manage 4 doubles and 6 single for a week that will is.

请安排四间双人房和六间单人房 住一星期。

Could you manage 4 doubles and 6 singles for a week that would be.

请安排四间双人房和六间单人房——住一星期。

The meeting has been arranged for Tuesday evening.

这次会议已安排在星期二晚上举行。

Then for a period of several weeks we practise doing the play.

随后的几个星期，我们就进行排练。

We had a steak fry last Friday.

上星期五我们举行了炸牛排野餐会。

planetary double reduction final drive

行星齿轮式双级主减速器

two speed planetary final drive

行星齿轮式双速主减速器

south following star

东南星 -目视双星

north following star

东北星 -目视双星

Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry.

行星状星云是一类孤立的气体星云，具有相当程度的双侧对称性。

photometric binary

光度双星 -即食双星

Influence of Planetary Needle Bearings on the Performance of Single And Double Pinion Planetary Systems

行星传动滚针轴承对单和双小齿轮行星齿轮传动性能的影响

Let' s rearrange the match for next Saturday.

咱们把比赛重新安排在下星期六举行吧.