根据一种假设，这颗行星的重力场会对由尘埃和气体组成的原行星盘产生牵引力。
According to one hypothesis, the planet's gravitational field tugs on the protoplanetary disk of dust and gas from which it formed.
分析了转臂轴承与行星盘的作用力。
The acting force between the turning arm bearing and the planetary disc is analyzed.
给出了中心盘、行星盘上共轭封闭槽合形方程序。
It gives that the wave shape equations of conjugate enclosed grooves and the formation method on the numeric control machine tool.
我们正试图追踪行星从气态盘到尘埃盘到行星盘而形成的整个历史。
What we are trying to do is trace the entire history of planetary formation from a gaseous disc, into a debris disc, into a planetary disc.
柯依伯带被认为是50亿年前形成太阳系的原行星盘的古老的残留物质。
The objects are considered fossil remnants of the swirling disk of debris that coalesced to form the solar system roughly 5 billion years ago.
沃森说：“在对原行星盘及其演化情况的理解上，该研究取得了较大的进展。”亚利桑那州图森史都华天文台。
The study represents "a major advance in our understanding of protoplanetary disks and their evolution, " Watson says. And astronomer Zoltan Balog of the Steward Observatory.
图中，由气体、尘埃等组成的原始行星盘围绕着一颗与太阳质量类似的早期恒星，而硅酸盐构成了大部分尘埃。
The image shows a young sun-like star encircled by its planet-forming disk of gas and dust.
这是哈勃望远镜拍摄到的猎户星云中的原行星盘(proplyds，protoplanetarydisks)。
A Hubble Space Telescope image shows "proplyds, " or protoplanetary disks, in the Orion Nebula.
美国宇航局的斯皮策太空望远镜在豺狼座EX星——一颗质量与太阳类似的早期恒星周围的行星盘中发现了该过程（进行）的证据。
In April 2008, NASA's Spitzer Space Telescope detected evidence of this process taking place on the disk of a young sun-like star called EX Lupi.
占星学是关于时机的；在出生的那一刻星盘还有行星的周期便成立了，而且这些将直接影响个人的生活。
Astrology is about timing; a chart is set up for the moment of birth and the cyclical nature of the planets directly impinges on the life of the individual.
与其它行星的关系参照如下两个决定因素：(1)该行星的本性和他们之间的相似性；(2)该行星在占星盘上特殊的决定因素。
Connection with another planet includes two determining factors: (1) the nature and the analogies of this planet; (2) the latter's particular determination in the horoscope.
我将这一现象称为“万花筒效应”，因为它会使行星在星盘中运行时形成一种新的有规律性间隔的组合排列。
I call this phenomena the "Kaleidoscope Effect" because of the way it shifts into new permutations at regular intervals as the planets arc around horoscope.
天王星已经超过80年没有经过白羊座了，所以对我们中的绝大部分人来说，这将是我们第一次经历这疯狂混乱的行星在星盘上的这个位置。
Uranus hasn't been in Aries for more than 80 years, so for most of us, this is going to be the first time we get to experience the planet of chaos and madness in this particular part of our charts.
我不能看到你星盘的全部行星，所以我必须小心预测。
I cannot see all your planets in your natal chart, so we have to proceed carefully.
行星迁移发生在行星与气体或星子的星盘之间进行潮汐相互作用时，这造成行星轨道参数，特别是半主轴的变更。
When the planetary migration occurs under the tidally interaction of a planet and a disk of gas or a planetesimal, the orbital parameters, especially, semi-major axis, of this planet will be altered.
行星迁移发生在行星与气体或星子的星盘之间进行潮汐相互作用时，这造成行星轨道参数，特别是半主轴的变更。
When the planetary migration occurs under the tidally interaction of a planet and a disk of gas or a planetesimal, the orbital parameters, especially, semi-major axis, of this planet will be altered.
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