【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

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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A pandemic sets national authorities in motion to implement preparedness plans, identify cases as efficiently as possible, and minimize serious illness and deaths with proper treatment.

暴发大流行要求国家当局行动起来，实施防范计划，尽可能有效发现病例，并通过适当治疗患者，尽可能减少重症病例和死亡人数。

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On the basis of analyses over the collision theory, a motion mathematical model of the mixture on the vibration sieve is established with proper assumption.

从颗粒碰撞理论出发，在合理假设的前提下建立物料颗粒在筛面上的运动模型。

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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
Before the untimely death of Rolls, a plan was in motion to create a proper hood ornament for the cars.

FORBES: The Rolls-Royce Spirit of Ecstasy

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proper motion