It is proved that the tilted axis cranking (TAC) model is equivalence to the particle rotor model (PRM) under the semi classical and mean field approximations.
阐述了剪刀带的形成机制，并论证了在半经典近似和平均场近似下，倾斜轴推转模型与粒子转子模型等价。
The dam axis of Wanjiazhai Water Control Project is located in the wide U shaped channel. The dam type is a straight semi monolithic gravity dam.
万家寨水利枢纽拦河坝轴线处河道断面呈偏宽“U”字形，坝型为直线半整体式重力坝。
Then, based on the generalized method, a modified method using adjusted semi major axis is presented.
提出了一种长半轴加修正的队形设计新方法。
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