1) epicycle
本轮
2) sample rotation
样本轮换
1.
In this paper,the author has carried out a detailed discussion on the methods of a sample rotation and problems in this process and how to improve the effect of a sample rotation.
从我国城市住户调查的实际情况出发,就城市住户调查中现行样本轮换方法、存在的问题及改进方法等方面进行了详细的阐述。
2.
The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.
目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。
3.
Quarterly surveys need sample rotations,and those with multi-stage sampling designs need multi-layer sample rotations.
季度调查需要样本轮换,多阶段抽样季度调查需要进行多层次样本轮换。
3) steamship
资本轮
1.
The article presents the reason that Chinese steamship developed slowly on the early of modern times.
专门论述了近代民族资本轮航业前期发展迟缓的原因。
4) rate of sample rotation
样本轮换率
5) Subsample rotation
子样本轮换
6) basic gear train unit
基本轮系单元
1.
Complex plane composite gear trains were decompounded to seveval basic gear train units.
将复杂平面复合轮系分解成若干个基本轮系单元,根据各轮系单元运动学方程形式上的相同性,采用VB编程可以方便地列出这些方程并求解,从而求得轮系的传动比,并将其与传统计算方法进行了比较。
2.
The Gear trains were decompounded to some basic gear train unit and linear equations showing the rotating speed correlations of the members were listed.
针对复杂平面复合轮系结构分解困难而影响传动比计算的问题,介绍一种传动比计算的新方法,它将轮系分解成若干个基本轮系单元,列出各轮系单元的运动学方程,根据这些线性方程的形式相同,采用VB编程可以方便地求解各种复杂平面复合轮系的传动比。
参考词条
补充资料：本轮
1.古希腊天文学家托勒玫的宇宙体系学说认为，地球是不动的中心，太阳和行星环绕地球运行。为了说明行星视运动现象，认为每个行星在一个小圆上作等速运动，这个小圆叫做"本轮"。同时又假设本轮的中心在一个大圆上绕地球作等速运动，这个大圆叫做"均轮"。清人所编的《历象考成》里均轮也译作"本天"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。