pure silicon短语¹⁴⁴⁹⁷²⁺² 基本例句 纯硅 Correctly doping the ultra- thin channels that the consortium hopes to use is simply too difficult— hence the decision to do without dopants altogether and build channels out of pure silicon. 想要如 SOI联盟预期的那样精确的掺杂超细沟道，实在太难了——因此做出决定，设计无掺杂沟道且沟道置于单晶硅片之外。 ecocn