例句與造句

1. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption , based on this assumption , the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified . through solving these space - dependent rate equations numerically , the results under different assumption are compared . 5
   將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分布近似，獨立地導出描述二極管泵浦內腔倍頻-被動調q激光器的速率方程，并通過數值求解該方程比較了兩種近似下脈沖特性的不同； 5 .實驗驗證了2中提出的實驗方案，并對實驗結果進行了分析。
2. It's difficult to find initial population inversion in a sentence. 用initial population inversion造句挺難的