例句與造句

1. A theoretical study of input and output properties of four - level solid laser was performed according to the velocity equation , and the important role of the overlap integral j , was noticed and made a fully usage in optimizing the end - pumping solid state laser parameters such as : rod length > pump position pumping and oscillating beam waist size
   從四能級(jí)速率方程出發(fā)，理論推導(dǎo)了ld端面泵浦的固體激光器的輸入輸出特性，并指出重疊積分j _ 1對(duì)激光器輸出特性的極大影響，從而對(duì)其在不同泵浦條件下進(jìn)行分析并以此得到端面泵浦條件下固體激光器的最優(yōu)化設(shè)計(jì)參數(shù)的選取方法。
2. It's difficult to find four-level solid laser in a sentence. 用four-level solid laser造句挺難的