librations
基本解釋
- 天平動
英漢例句
- Compared stress and librations distortion of the first fre quency and gained better beam.
通過結(jié)構(gòu)的變形和一階頻率的振型研究比較,初步確定了較為合理的橫梁結(jié)構(gòu)。 - 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.
振動主要地由月亮所引起正在由于它的軌道的古怪改變軌道的速度:這讓我們沿著它的周長見到達(dá)大約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.
盡管完全地被鎖的月亮的回轉(zhuǎn)而軌道的期數(shù)，我們由于振動和視差的現(xiàn)象可能實際上用來自地球的重復(fù)的觀察觀察大約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鳴箱參數(shù)化有限元模型的基礎(chǔ)上,分析了共鳴箱面板和底板的弧度參數(shù)對其振動特性的影響。 - 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.
為降低高速頻繁起停過程中定位系統(tǒng)產(chǎn)生的殘余振動,以最小的超調(diào)量快速達(dá)到穩(wěn)態(tài)響應(yīng)允許波動范圍的最小節(jié)拍響應(yīng)控制策略來進(jìn)行參數(shù)優(yōu)化。