OPA 邻苯二甲醛 ; 运算放大器 ; 光参量放大
Opa-Locka 奥帕洛卡
Optical Preamplifier OPA 光前置放大板
U-OPA 正象镜检型
opa contrabass 钢琴与低音提琴
Opa Locka 奥帕劳卡
Cidex OPA 含邻苯二甲醛溶液
OPA Optical Fiber Amplifier 光纤放大器
Opa Opa 幻想空间
The point of the OPA was not to limit tort law but to supplement it.
OPA的意义在于补充，而不是限制侵权行为法。
The results indicate that this method not only can match completely group velocities among three waves, but also can achieve maximal parametric bandwidth for continuous tunable femtosecond BBO OPA.
结果表明，利用该方法不仅能够完全补偿飞秒BBO光参量放大在连续调谐时三波的群速失配，而且能够实现最大的参量带宽。
The degenerate four wave mixing (FWM) and optical parametric amplifying (OPA) processes near the zero dispersion in optical fiber are analyzed.
分析了光纤中零色散附近的简并四波混频（FWM）和简并光参量放大（OPA）过程。
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