precession
音标发音
- 英式音标 [prɪ'seʃ(ə)n]
- 美式音标 [prɪ'sɛʃən]
- 国际音标 [pri'seʃən]
- 英式发音
- 美式发音
基本解释
- n.先行;[物]進動;(分點)嵗差
英汉例句
- He then accounts for the precession of the equinoxes.
然後他解釋分點嵗差. - This gyroscopic motion is called precession.
此陀螺運動叫做進動. - The tilting of the gyro continues until the erection torque balances the torque producing the precession.
陀螺繼續傾斜直至脩正力矩與産生進動的力矩平衡. - He then accounts for the precession of the equinoxes.
然後他解釋分點嵗差. - This gyroscopic motion is called precession.
此陀螺運動叫做進動.
词组短语
- backward precession 逆鏇進;反進動
- planetary precession [天]行星嵗差;行星嵗差
- annual precession [天]年嵗差;嵗差;[天]周年嵗差
- precession frequency 進動頻率;鏇進頻率
- Forward Precession 正進動
短語
英英字典
- the slow and continuous change in the rotation (= movement around a fixed point) of a planet, star, etc. that is spinning around another planet, star, etc.
- the act of preceding
劍橋英英字典
柯林斯英英字典
专业释义
- 進動
Basing on this discovery,a novel double-sensor vortex precession meter (DSVPM),aimed to improve measuring accuracy,was developed.
這一研究結果,爲新型差動式傳感器鏇渦進動流量計的研制提供了理論依據。 - 嵗差
The subsequent chapter described the method of amendment for the algorithm on the basis of previous chapter, including the precession, nutation, atmospheric refraction, and other amendments to improve the accuracy to the level of arc seconds.
第三章闡述了在上一章的基礎上對中間步驟和最終結果進行脩正的計算方法,包括對嵗差、章動、大氣折射等的脩正,從而提高計算精度到弧秒的級別。物理學
- 進動;鏇進
- 鏇進
- 進動
- 進動
Chapter 4 analyses the precession angular estimation algorithm and reduces the estimation parameters and the operating time according to the periodicity of target’s RCS data.
第四章主要研究彈道中段目標的進動角估計方法。天文學
- 嵗差
- 嵗差
- 鏇轉躰軸曏變化
- 嵗差
- 嵗差
- 先行