为了模拟重力(使用惯性效应)，将结构朝与重力相反的方向加速。
To simulate gravity (by using inertial effects), accelerate the structure in the direction opposite to gravity.
电脑模拟显示，如果在一个恒星系统中有超过一个巨行星存在的话，它们会上演一场“重力掰手腕”比赛，这会使得它们的轨道变得不稳定。
Computer simulations show that if there is more than one giant planet in a solar system's family, they will perform a kind of gravitational arm-wrestling match, making their orbits unstable.
游泳池能模拟国际空间站的失重状态，但不是月球的重力——地球的六分之一。
A swimming pool can simulate the weightlessness of the ISS but not the moon's gravity-one sixth of Earth's.
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