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]进动;(分点)岁差
英汉例句
- He then accounts for the precession of the equinoxes.
然后他解释分点岁差. - This gyroscopic motion is called precession.
此陀螺运动叫做进动. - The tilting of the gyro continues until the erection torque balances the torque producing the precession.
陀螺继续倾斜直至修正力矩与产生进动的力矩平衡. - He then accounts for the precession of the equinoxes.
然后他解释分点岁差. - This gyroscopic motion is called precession.
此陀螺运动叫做进动.
词组短语
- backward precession 逆旋进;反进动
- planetary precession [天]行星岁差;行星岁差
- annual precession [天]年岁差;岁差;[天]周年岁差
- precession frequency 进动频率;旋进频率
- Forward Precession 正进动
短语
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
剑桥英英字典
柯林斯英英字典
专业释义
- 进动
Basing on this discovery,a novel double-sensor vortex precession meter (DSVPM),aimed to improve measuring accuracy,was developed.
这一研究结果,为新型差动式传感器旋涡进动流量计的研制提供了理论依据。 - 岁差
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.
第三章阐述了在上一章的基础上对中间步骤和最终结果进行修正的计算方法,包括对岁差、章动、大气折射等的修正,从而提高计算精度到弧秒的级别。物理学
- 进动;旋进
- 旋进
- 进动
- 进动
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.
第四章主要研究弹道中段目标的进动角估计方法。天文学
- 岁差
- 岁差
- 旋转体轴向变化
- 岁差
- 岁差
- 先行