Qnd
abbr. quantum nondemolition (measurement) 量子非破壞性（測量）
??? 情景例句
I'll bring the dog over by nine.
我在九點之前把狗送來。
Has he studied French very long?
他學(xué)習(xí)法語很長時間嗎？
It's like this.
是這樣的。