In this paper, by analyzing the apparent gravitation and apparent buoyancy to ship in wave, a formula calculating moment by wave has been derived.
通过对船在波浪中所受表观重力和表观浮力的分析，导出波浪作用力矩的计算公式。
2
All these show the origin of gravitation and reveal the essence of matter wave.
这个发现揭示了万有引力的起源和物质波的本质。
3
The features of shock wave can be analyzed qualitatively in the velocity plane for a special perturbed gravitation which is used to simulate the self-gravitation of interstellar gas.