In terms of SU (1, 1) algebra, the eigen equations of three-dimensional Harmonic Oscillator and hydrogen atom in inverse square potential are counterchanged the same equations in form.
借助于SU(1,1)代数，将三维谐振子与加反平方势的三维氢原子表示成具有相同形式的两算符下的本征值方程。
A new generation of IGBT inverse constant potential instrument is developed by using powerful switching power supply technology.
利用大功率开关电源技术研制出新一代的IGBT逆变式恒电位仪。
Rainstorm phase is the inverse of humidity potential vorticity, especially in severe rainstorm.
暴雨与湿位涡呈反位相相关，且在暴雨较强时相关性更好。
Rainstorm phase is the inverse of humidity potential vorticity, especially in severe rainstorm.
暴雨与湿位涡呈反位相相关，且在暴雨较强时相关性更好。
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