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proper motion

  • [天] 自行;天体之固有运动

网络释义专业释义英英释义

  [天] 自行

[常与所有格代词连用]自己的 ... proper for 适合 proper motion 自行;天体之固有运动 proper operation 正确操作 ...

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  自行运动

杜卜勒效应 自行运动(proper motion) :Vp 自行运动 指恒星横 向运动速度,指恒星由地球的观点来看,除了视 差之外 ,恒星在观测位置上的变化 。

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  [物] 固有运动

光电英汉双语词汇学习205 ... proper drag 固有曳力 proper motion 固有运动 proper oscillation 本征振动 ...

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  正常运动

在线英语词典,英文翻译,科技词典,专业词典,在线词... ... 正常运费:regular freight 正常运动proper motion 正常危险:ordinary risk ...

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短语

proper-motion membership 自行成员星

proper-motion ratio 自引率

common proper-motion pair 共自行星对于 ; 共自行星对

common proper-motion binary 共自行双星

common n proper-motion binary 共自行双星

common n proper-motion pair 共自行星对

proper motion star [天] 大自行恒星

stellar proper motion 恒星自行

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·2,447,543篇论文数据,部分数据来源于NoteExpress

Proper motion

  • The proper motion of a star is its angular change in position over time as seen from the center of mass of the Solar System. It is measured in seconds of arc per year, arcsec/yr, where 3600 arcseconds equal one degree.

以上来源于: Wikipedia

 柯林斯英汉双解大词典 

proper motion

  • 1. 

    N the very small continuous change in the direction of motion of a star relative to the sun. It is determined from its radial and tangential motion 自行

双语例句权威例句

  • High proper motion normally indicates a nearby star, so displaying proper motion labels is a quick way of spotting such stars.

    自行通常表示是一近距离恒星所以显示自行标签确准此类恒星位置快捷途径

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  • Or it is meal cent door fastens a courtyard to distribute, by mess of each courtyard proper motion.

    或是餐饮分门别院派送自行用膳

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  • The genre proper motion, such as listening to music, exercise, conditioning sentiment, enhance physical fitness, contribute to the prevention and treatment of premature ejaculation.

    进行恰当体裁运动音乐磨炼身体调理情操加强体质有助于防治早泄

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