librations
基本解释
- 天平动
英汉例句
- Compared stress and librations distortion of the first fre quency and gained better beam.
通过结构的变形和一阶频率的振型研究比较,初步确定了较为合理的横梁结构。 - Librations are primarily caused by the Moon's varying orbital speed due to the eccentricity of its orbit: this allows us to see up to about6° more along its perimeter.
振动主要地由月亮所引起正在由于它的轨道的古怪改变轨道的速度:这让我们沿着它的周长见到达大约6°更多。 - Despite the Moon's rotational and orbital periods being exactly locked, we may actually observe about59% of the moon's total surface with repeated observations from earth due to the phenomena of librations and parallax.
尽管完全地被锁的月亮的回转而轨道的期数，我们由于振动和视差的现象可能实际上用来自地球的重复的观察观察大约59%25月亮的完全表面。 - Based on the model of soundboard parameter finite term for violin, the article analyzed the radian parameter of both faceplate and soleplate of violin resonator influence upon the librations features.
文章在建立小提琴共鸣箱参数化有限元模型的基础上,分析了共鸣箱面板和底板的弧度参数对其振动特性的影响。 - Considering the remnant librations during the high frequent starts and stops,the minimum deadbeat response controlling algorithm is introduced to the control system to reduce the mechanica.
为降低高速频繁起停过程中定位系统产生的残余振动,以最小的超调量快速达到稳态响应允许波动范围的最小节拍响应控制策略来进行参数优化。