常見(jiàn)例句雙語(yǔ)例句The writing rules of proton balance equation have been proposed and a new writing method hasbeen put forward.同時(shí)建立一種新的書(shū)寫(xiě)質(zhì)子守衡式的方法——直接法，本法準(zhǔn)確、簡(jiǎn)便、易于掌握。 返回 proton balance equation