proper motion
n.
自行，天体的固有运动；
英英释义
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
双语例句
用作名词(n.)
Risk the illegal website proper motion that establishs with stockjobber name to shut.
冒用证券公司名义设立的非法网站自行关闭。
However, if its membership can be confirmed by proper motion and radial velocity determinations, the cause of light variation may not be pulsation.
但是，如果自行或视线速度测定证实为其成员星，那么变光的原因也许不是脉动。
权威例句
The Tycho-2 catalogue : positions, proper motions and two-colour photometry of the 2.5 million brightest starsThe Optical Gravitational Lensing Experiment. Catalog of high proper motion stars towards the Magellanic Clouds
Proper motions and distances of H2O maser sources. I - The outflow in Orion-KL
The Proper Motion of Sagittarius A*. II. The Mass of Sagittarius A*
A Survey of Proper-Motion Stars. XV. Orbital Solutions for 34 Double-lined Spectroscopic Binaries
A Survey of Proper-Motion Stars. XVI. Orbital Solutions for 171 Single-lined Spectroscopic Binaries
A survey of proper motion stars. 12: an expanded sample
High Proper Motion Stars in the Vicinity of SGR A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy
Proper Motions of Dwarf Spheroidal Galaxies from Hubble Space Telescope Imaging. V. Final Measurement for Fornax
The APM Proper Motion Project – II. The lower proper motion stars
1. 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。
youdao
2. 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。
youdao
3. 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。
youdao
4. Then take your hand back and spin your chakra in its proper clockwise motion seeing it in its particular primary color.
然后把你的手收回来，以正确的顺时针方向旋转你的脉轮，并内视其主色调。
youdao
5. The motion control of the hexapod parallel mechanism with high speed and high acceleration depends on the accurate dynamics model, proper simplification and real-time computing.
实现六足并联机构高速，高加速运动控制的关键在于所建动力学模型的准确表达、适当简化以及实时计算速度的满足。
youdao
6. Interaction, visual, and industrial designers must translate persona experience goals into form, behavior, motion, and auditory elements that communicate the proper feel, affect, emotion, and tone.
交互设计者、视觉设计者和工业设计者必须将人物角色的体验目标转化为可以传递恰当感觉、情感、感情和情调的外形、行为、动作和听觉元素。
youdao
7. The key to proper interpretation of the backstroke rule is the phrase "continuous turning action", i. e., a uniform, unbroken motion with no pauses.
正确解释仰泳规则的关键是术语“连续性转身动作”，也就是统一和无停顿的完整运动。
youdao
8. Most researchers directly take an assumption that underlying assets price moving mode is Geometric Brownian Motion, don't ever deeply consider whether it is proper.
然而在具体应用中，大部分学者直接将标的资产的价格设为几何布朗运动，并未进行深入研究。
youdao
9. Conditional word can send fur clothing cleaners and dyers clean glazing also can buy proper motion of leather brightening agent to be fur clothing glazing from the shop.
有条件的话，可送皮衣洗染店清洁上光，也可以从商店购买皮革光亮剂自行为皮衣上光。
youdao
10. I don't look too fat, but my weight is overweight, I hope that through reasonable prandial and proper motion to improve my body quality.
我看起来不太胖，但是我的体重已经超标了，我希望通过合理的膳食和适当的运动来改善我的身体素质。
youdao
11. Regardless of what attacking motion you have, there is a net between your side of the table to the other side, without proper trajectory, it will either go into the net or fly out of the table.
无论你的攻球动作如何，在你方和对方球台之间总隔着一道网。如果没有合适的弧线，你的回球就会不是下网就是出界。
youdao
12. The obtained results are employed to analyze longitudinal motion of an aircraft made in China. The analysis shows that this model is proper and the method is effective.
最后对国产某飞机的纵向短周期运动系统的分析说明本文的模型是合适的，方法是有效的。
youdao
13. 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。
youdao
14. The warp let... off motion allows the feeding of warp yarn under uniform tension and at the proper rate.
送经机构可以使送出的经纱保持均匀的张力并保证准确有送经量。
youdao
15. Conditional word, can send fur clothing cleaners and dyers clean glazing, also can buy proper motion of leather brightening agent to be fur clothing glazing from the shop.
有条件的话，可送皮衣洗染店清洁上光，也可以从商店购买皮革光亮剂自行为皮衣上光。
youdao
16. 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。
youdao
17. It gets the best reference motion vectors from the error - surface and the center deviation characteristics, and it USES the direction and intensity information to choose the proper searching mode.
算法结合误差曲面特性以及运动矢量中心偏移特性，得到最佳参考运动矢量；利用运动矢量的方向和强度信息，确定搜索方向，切换搜索模式，搜索的同时应用全零块的中止准则。
youdao
18. The damage from the motion has been controlled by adopting proper measures. This paper provides a theoreticl base for designing a…
经采取适宜的措施后，使这种运动的破坏作用得到了控制。
youdao
19. If ask for those who get fellow student of stay dormitory collectivity, agree and sign, collect fees every night 20 yuan, bed by search connection of proper motion of the person that hire.
如果征得留宿宿舍全体同学的同意和签名，每晚收费20元，床位由寻租者自行联系。
youdao
20. If ask for those who get fellow student of stay dormitory collectivity, agree and sign, collect fees every night 20 yuan, bed by search connection of proper motion of the person that hire.
如果征得留宿宿舍全体同学的同意和签名，每晚收费20元，床位由寻租者自行联系。
youdao
proper motion
