Ngmc
abbr. nonlinear grating acts as a power controlled mode converter 用作功率控制模變換器的非線性光柵
??? 情景例句
It's important
這是很重要的
I'm ill today.
今天我生病了。
How about feed-back from your retailers and consumers?
你們的零售商和消費(fèi)者的反映怎樣？