1) equivalent penduleum
等效摆
2) isochronous pendulum
等时摆
1.
Prove with elementary method that the curve described by an isochronous pendulum and the fastest falling curve are cycloids.
用初等方法证明等时摆的摆锤所描成的曲线和最速降落曲线都是旋轮线 ;证明在正交的均匀电场与均匀磁场中运动的带电粒子的轨迹也是旋轮线 ;讨论了重力场和正交均匀电磁场中质点的运动之间的类
3) equivalence length of pendulum
等值摆长
4) congruent pendulum
全等形摆
1.
In this paper,we have given the experimental demonstration law of series of tractable congruent pendulum for different materials.
本文给出系列易加工的不同材料的全等形摆的实验演示规律,对全等形的圆环(圆弧)摆、偏心柱摆等几种特例进行了实验演示测量并与理论进行了对比分析。
5) swing effects
摆动效应
1.
The swing effects in extraction processes based on chemical complexation;
络合萃取的“摆动效应”及应用
6) Pendulum Effect
钟摆效应
1.
The Analysis of Pendulum Effect and Normal Distribution of the Human Nature in Business Management;
企业管理中人性的“钟摆效应”与“正态分布性”分析
补充资料：比等效百万吨数