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。
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.
对一种特定的扰动引力场模拟气体自引力，可以在速度平面上定性分析激波解的特性。
The features of local shock wave solution without gaseous self-gravitation are similar qualitatively but different quantitatively with the results of this paper.
与非自洽的局部激波解相比，两者的定性特征相似，但定量结果有较大差别。
The gravitation between ultra distant objects interacts, with the material wave as its medium. That is the gravitation field we want to find.
超距离物体之间的引力作用，正是由它（物质波）做媒介进行相互作用的，这也就是我们所要寻找的引力场。
Tn this paper, the galactic spiral structure is studied by the galactic shock wave of interstellar gas with self-gravitation. The perturbed gravitation of stars is not ?
本文用星际气体自引力星系激波来解释星系的螺旋结构、恒星的扰动引力场并非必要条件。
It is generally assumed the solution of galactic shock wave is local one and takes no account of gaseous self-gravitation in the theory of density wave.
密度波理论中星系激波的解大都假设为局部的，并且往往不考虑星际气体自引力的影响。
It is generally assumed the solution of galactic shock wave is local one and takes no account of gaseous self-gravitation in the theory of density wave.
密度波理论中星系激波的解大都假设为局部的，并且往往不考虑星际气体自引力的影响。
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