外行星

What is called that the annulus of the inner cylinder executing a planetary motion is: the inner cylinder which can form the annulus is not only rotating by the axis of itself, but also rotating by the axis of the outer cylinder in the annulus.

所谓内管做行星运动的环空是指：构成环空的内管不仅绕其自身轴线自转，而且还同时绕环空外管的轴线公转。

Planets are believed to emerge from the accretion of particles in a disk of gas and dust as they whirl around the star.

行星一般被认为是由围绕在恒星外的气体和灰尘小颗粒聚集而成。

According to the construction constituted and the drive principles, the formation methods of the theoretical tooth shape and the practical tooth profile for hypocycloid and epicycloid are studied, and the right-angle coordinate equations and the complex number vector equations are deduced respectively.

根据摆线钢球行星传动的结构组成原理和啮合传动原理，研究了构成钢球摆线槽端面啮合副的内、外摆线理论齿形和实际齿廓的形成方法，并分别推导出内外摆线理论齿形和实际齿廓的直角坐标方程和复数矢量方程。

And the idea there is that outside the spaceship, the universe is implacably hostile, and inside is all we have, all we depend on.

如今我们对此有了一个别名：地球太空船，在这个太空船行星里头是我们赖以生存的一切，而其外的一切都是可怖的。

Location of the planetary nebulae in the outskirts of the giant galaxy Messier 87 and in the intergalactic space around the centre of the Virgo Cluster of galaxies.

图中标出了位于巨椭圆星系M87外晕远处的和位于室女座星系团中心的星系间空间中的行星状星云。

The spinning outer core of the Earth generates a protective magnetic shield around the planet, defending life from lethal space radiation.

而地球的外核是一层具有磁性的防护罩，它保护着地球，使地球不被宇宙的射线所伤，并能围绕着行星转动。

Description : Operation matriarchy - A planet-wide epidemic caused by an extraterrestrial virus totally changed all women of the planet of Velian.

描述：运作母-行星广泛流行所造成的一种外星病毒彻底改变了所有妇女的这个星球的

However, the planet became a source of friction between the Terran Confederacy and independent mining guilds operating out of Moria.

不过，这颗行星使得人类联盟和在Moria星外运作的独立开矿协会之间产生了冲突。

A harsh rocky world less than a parsec away from Tatooine, Geonosis is a ringed planet beyond the borders of the Galactic Republic.

在距离塔图因不到一个秒差距（译者注：1秒差距=3.26光年）的地方有一个叫吉奥诺西斯的星球，这是一个位于银河共和国国界外一个带着光环的行星。

The detection of extragalactic PNe also allows them to be used as standard candles for extragalactic distance scales, probes of distribution of dark matter, as well as tools to study the dynamic history of galaxy clusters.

另外，银河系外的行星状星云既可以用作测量系外距离的标准烛光，又可以成为侦测暗物质分布的探针，及研究星系团动力学历史的工具。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。