Ngmc
abbr. nonlinear grating acts as a power controlled mode converter 用作功率控制模变换器的非线性光栅
🗣️ 情景例句
He's teething.
他正在长牙齿。
Open your eyes!
眼睛睁大点！
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。