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earth rs gravitational field model 地球重力场模型
earth rs gravitational field 地球引力场
The moon is in capture of the Earth's gravitational field. 月球被地球的重力场吸引。
And thus its gravitational field. 重力场也是这个样子。
Most of the earth rs surface is covered by water. 大部分的地球表面被水覆盖着。
Gravity prospecting involves the measurement of variations in the gravitational field of the earth. 重力勘探意味着测量地球重力场的变化。
An instrument used to measure variations in a gravitational field. 重差计用于测量重力场中变化的仪器
The moon was formed elsewhere in the solar system and was later captured by the earth's gravitational field. 月球在太阳系别的地方形成，然后被地球的引力场俘获。
We've noted that this is just like a body projected horizontally in the earth's gravitational field. 我们注意到，这个问题同在地球重力场中水平抛射一个球体十分相象。
Earth quakes can result from stresses in the earth rs crust. 地壳内的应力可能引起地震。
The minimum velocity needed to escape a gravitational field. 逃离引力场所需最短时间。
The sun appears to rise and set because of the earth rs rotation. 因为地球在自转，看上去就有了日出和日落。
Lunar eclipse occurs when the earth rs shadow falls on the moon. 地球的影子落在月球上时，就发生月蚀。
Of or relating to measurement of variations in a gravitational field. 重差计的属于或关于测量重力场中变化的
In the gravitational field of the earth, negative energy corresponds to bounded motion and positive energy to unbounded motion. 在地球的重力场中,负的能量相应于有界限运动,正的能量相应于无界限运动。
The moon, sun, and other planets have an influence on the earth in the form of perturbations (small changes) to the gravitational field. 答：太阳、月亮和其它行星以万有引力轻微影响地球。其影响程度和物体的重量成正比，与其距离的三次方成反比。
Children supporting their parents is nature rs law and earth rs way. 子女奉养父母是天经地义的。
The strong gravitational field of a neutron star provides the answer. 中子星的超强引力提供了最佳的解答。
The hypothetical effect of reducing or canceling a gravitational field. 反重力，反引力一种假想的能够减弱或消除地球引力的力。
The explanation is that the ‘gravitational field’ created by acceleration is added to, or subtracted from, the gravity of the Earth. 这个问题的解释就是由加速而需在地球引力场的基础上增加或者减少的“重力场”。