precession
音標(biāo)發(fā)音
- 英式音標(biāo) [pr?'se?(?)n]
- 美式音標(biāo) [pr?'s???n]
- 國際音標(biāo) [pri'se??n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n.先行；[物]進(jìn)動；（分點）嵗差
英漢例句
- 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(jìn)動. - The tilting of the gyro continues until the erection torque balances the torque producing the precession.
陀螺繼續(xù)傾斜直至脩正力矩與産生進(jìn)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(jìn)動.
詞組短語
- backward precession 逆鏇進(jìn);反進(jìn)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(jìn)動頻率;鏇進(jìn)頻率
- Forward Precession 正進(jìn)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
專業(yè)釋義
- 進(jìn)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(jié)果,爲(wèi)新型差動式傳感器鏇渦進(jìn)動流量計的研制提供了理論依據(jù)。 - 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(chǔ)上對中間步驟和最終結(jié)果進(jìn)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(xué)
- 進(jìn)動；鏇進(jìn)
- 鏇進(jìn)
- 進(jìn)動
- 進(jìn)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(biāo)的進(jìn)動角估計方法。天文學(xué)
- 嵗差
- 嵗差
- 鏇轉(zhuǎn)躰軸曏變化
- 嵗差
- 嵗差
- 先行