【proper_motion】什么意思_英语proper_motion的翻译_音标_读音_用法_例句_在线翻译

abstract: 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: WordNet

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

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

或是将餐饮分门别院派送，由各院自行用膳。

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

高自行通常表示是一颗近距离恒星，所以显示自行标签是确准此类恒星位置的快捷途径。

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Producing haematoma of tumour, head is caused when childbirth, do not require any treatment, heal of metropolis proper motion.

产瘤、头颅血肿都是分娩时造成的，不需任何治疗，都会自行痊愈。

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更多双语例句

The program involved improved awareness of injury risk as well as promoting proper motion patterns and muscle strengthening to minimize injury.

CNN: How do I protect my daughters' knees from sports injuries?
Special projectors can also be used to show the effect of proper motion, which causes the shapes of the constellations to change over time.

ECONOMIST: The joys of indoor star-gazing
Alton said the government was railroading the order through parliament without proper scrutiny and proposed a motion that would freeze the legislation until a special committee had heard exhaustive evidence from experts.

CNN: Green light for embryo cloning

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proper motion