1) seesaw motion
跷板式升降
1.
It is demonstrated in this paper that the main characteristics and significance of tectonic zone in northern latitute 35° of Henan intraplate based on the seesaw motion during geologic period and the coal forming environment,tectonic diversity,and coal metamorphic zoning of both sides of tectonic zone.
从河南板内 35°构造带地质历史时期的跷板式升降 ,以及构造带南北两侧成煤环境、构造差异、煤变质分带等方面 ,论述了河南板内北纬 35°构造带的主要特征及其地质意义。
2) Seesaw
[英]['si:,sɔ:] [美]['si,sɔ]
跷跷板
1.
Designing and Realization of Electric Motor Car s Seesaw System;
电动车跷跷板系统的设计与实现
2.
SPCE061A serves as the center of the control part of vehicle,and real-time horizontal angle of seesaw is measured by the ZCT245AL-485-type digital angle sensor.
以单片机SPCE061A作为电动车的控制核心,采用ZCT245AL-485型数字式倾角传感器,实时测量跷跷板水平方向倾角,选用步进电机准确控制小车前后微移,从而构成闭环控制系统,实现了小车寻找跷跷板平衡点的功能。
5) teetering rotor
跷跷板旋翼
1.
Analysis and control of transient aero-elastic response of teetering rotor on the shipboard;
跷跷板旋翼舰面瞬态气弹响应分析及抑制方法
2.
A engineering algorithm of thrust loads for the hanging teetering rotor is presented on the assumption that first induced velocity distribution,first cyclic pitch motion and three harmonics of flap motion in this paper.
在一阶诱导速度分布，一阶周期变距，三阶挥舞运动的基本假定下，提出了一种悬挂式跷跷板旋翼桨叶挥舞面内拉力载荷的工程算法。
6) seesaw principle
跷跷板原理
补充资料：跷足而待
1.亦作"蹻足而待"。 2.踮起脚跟等待。形容短时间内便能见到事情的结果。语出《汉书．高帝纪》:"大臣内畔，诸将外反，亡可蹺足待也。"
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条