例句與造句

1. The selective etching of the evaporated or squeezed layers is a critical step in preserving yield .
   蒸發(fā)層和濺射層的選擇刻蝕是保證成品的關(guān)鍵步驟。
2. For the algaas / gaas vcsel fabrication , oxide - confined structure provid electrical and optical confinement . algaas / gaas vcsel fabricated by selective oxidation and selective etching
   在vcsel器件研制方面，我們采用氧化物限制結(jié)構(gòu)來(lái)對(duì)其的電流和光場(chǎng)進(jìn)行限制。
3. It's difficult to find selective etching in a sentence. 用selective etching造句挺難的