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。
2
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。
3
Then, based on the generalized method, a modified method using adjusted semi major axis is presented.