precession
美音:[prı´seʃən
]
英音:[prı´seʃən
]
n.运动
难易程度:
precession为短语/超纲词汇
词形变化:
形容词:precessional
词根
cede＝to go（去），to yield（让步） 变化型 ceed，cess
近义词, 同义词
precession
/prɪ'seʃn; prɪ`sɛʃən/
n [U] (also pre,cessionof the `equinoxes) gradual change in the angle at which the earth revolves daily, causing the equinoxes to occur slightly earlier in each successive year 岁差（地球自转角度的渐次变化, 使每年的春分点及秋分点比上年略为提前）.
n [U] (also pre,cessionof the `equinoxes) gradual change in the angle at which the earth revolves daily, causing the equinoxes to occur slightly earlier in each successive year 岁差（地球自转角度的渐次变化, 使每年的春分点及秋分点比上年略为提前）.
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