The great height of Martian volcanoes is a direct consequence of the planet's low surface gravity.
地球表面低重力直接导致了火星上火山的巨大高度。
On the other hand, a comparatively warm body with a small surface gravity, like Earth's moon, is unable to hold even the heaviest gas and thus lacks an atmosphere.
另一方面，像地球的卫星这种相对温暖、表面引力较小的天体，它们连最重的气体也无法容纳，因此也没有大气层。
And then the planet has to have the right surface gravity.
如此以来，这个星球表面就有一定的重力存在。
This difference in surface gravity is due to a number of factors - mass, density, and radius being the foremost.
地表重力的差异源于很多因素的影响——质量，密度，半径(这是最重要的因素)。
Larger, denser, and with almost twice the surface gravity of Earth's moon, Mercury still looks moon-like at first glance.
水星与地球的卫星月球看上去有些相似，只是它更大，密度更高，表面引力几乎是月球的两倍。
One is metal rich and relatively massive with large gravity, while another metal poor with lower mass and surface gravity.
另一类贫金属星，其质量和表面重力都相对偏小。
Mars is a six-month flight away, and it has surface gravity, a thin atmosphere, frozen water, carbon dioxide and essential minerals.
飞往火星需要六个月。火星具有表面重力、稀薄的大气、冰冻的水、二氧化碳和基本矿物质。
In numerical computations, the influences of the free surface gravity waves, the fluid compressibility or non-compressibility on the hydro-dynamic pressure and on th...
在数值计算中，分析了自由表面重力波及流体可压缩性及考虑流体的可压缩性与不可压缩性对相互作用体系动水压力和地震响应的影响。
The analysis method proposed can take into consideration of the effects of water surface gravity wave, water compressibility, and radiation damping at up-stream of reservoir.
所建议的分析方法能够考虑表面重力波的影响、水体可压缩性、水库上游辐射阻尼等各种因素作用。
When applied to a spherical body like a planet with a given mass (in this case, Mars), the surface gravity will be approximately inversely proportional to the square of its radius.
将该理论应用到行星这类球体的时候(在本例中，指火星)，质量给定的时候，表面重力与它半径的平方成反比。
The surface gravity, which is defined from the 1 bar pressure level in a gas giant's atmosphere, is 90 percent that of Earth's and the speed needed to reach low orbit is lowest of all the gas planets.
表面重力，这个气体巨人的大气层的气压水平限制在一巴范围，是地球的百分之90的并且需要达到的低轨道的速度是所有的气体行星的最低水平。
The rest of the concept relied on gravity, which guaranteed that the surface of the molten metal was perfectly flat and horizontal.
其余的概念依赖于重力，它保证了熔融金属的表面是完全平坦和水平。
Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.
由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。
The pattern is of atmospheric gravity waves playing on the surface of the ocean.
这张图案是在大气重力波对海洋表面所产生的影响。
Normal swells, known technically as gravity waves, are created by wind pushing the surface of the sea up and gravity then pulling it down, causing it to bounce.
一般的波浪，技术上被成为重力波，是由于风推动着海洋表面上升而后又在重力的作用下被拉向下方，这便会导致海水的回弹。
The planet appears to have an atmosphere, gravity like our own – and could have flowing water on its surface.
该行星似乎也拥有大气层和重力作用——其表面也可能有流水存在。
NASA's Gravity Recovery and Interior Laboratory, or GRAIL, mission spacecraft will orbit the moon before landing on the lunar surface.
美国航天局的重力恢复与内部实验室计划，又称“圣杯”号月球探测器将首先环绕月球轨道飞行，然后在月球表面着陆。
The surface is perpendicular to gravity.
它们平面垂直于重力。
On our spherical Earth, gravity pulls "down" us toward the planet's center of mass. So on a flat surface, we naturally stand up straight.
在我们地球上，重力会把我们拉向星球的质量中心，因此在平坦的地表，我们自然站得很直。
Researchers believed that molecular interactions between the microscopic branching hairs on the gecko's footpads and the surface to which they clung were responsible for the gravity-defying feats.
研究人员相信，这种违反重力的现象产生于壁虎脚垫上的微观分支毛和黏着处表面之间的分子间相互作用。
It might have a surface of "hot ice" - water that remains solid despite its heat because it gets compressed by the planet's gravity.
这颗行星可能拥有一个“热冰”的表面，由于受到行星引力的压缩，水虽然受热但依然保持固态。
The newton, named after the physicist Isaac Newton, is approximately the force exerted by gravity on an apple at the Earth’s surface.
物理单位“牛顿”，是以物理学家伊萨卡牛顿命名的，一牛相当于一颗处于地球表面苹果因重力因素而所受力的大小。
Messenger's analysis of the surface rock, and of the gravity profile of the core, could help explain.
信使号对岩石层以及核心万有引力的描述和分析或许可以帮助解释。
Mean sea level is an equipotential surface with respect to gravity.
平均海平面就是一个关于重力的等位面。
The two NASA probes have flown close to the lunar surface, producing a high resolution gravity map of the Moon.
美国宇航局的这两辆探测器飞临月球表面，绘制高分辨率月球重力分布图。
The gravity on the surface of Mars is about one third as strong as it is on earth.
火星表面的引力大约是地球表面引力的三分之一。
Long ago, 10-foot human forms upon the surface of the earth were the norm, and gravity far less of a pull allowing the form to weigh less and move in ease.
但很久前，地球表面上10英尺的人类是很标准的尺寸，因为重力远小于现在，可让身体更轻并快捷移动。
Using massive gravity-altering creatures called dovin basals, the Yuuzhan Vong began to drag Sernpidal's moon of Dobido from its orbit to the planet's surface.
遇战疯人用一种叫多文基座的大型引力变更生物开始把森皮达尔的卫星多比多从轨道上拉至行星表面。
Using massive gravity-altering creatures called dovin basals, the Yuuzhan Vong began to drag Sernpidal's moon of Dobido from its orbit to the planet's surface.
遇战疯人用一种叫多文基座的大型引力变更生物开始把森皮达尔的卫星多比多从轨道上拉至行星表面。
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