by the numbers的用法和樣例：
例句
- Study the action of Sn in the production of APT by ion-exchange of hydrometallurgy.
較系統地研究了濕冶離子交換法生產(chǎn)仲鎢酸銨工藝中雜質(zhì)錫的行為。 - I studied the network system integration and item managing technology by the numbers in practice.
在實(shí)踐中系統地學(xué)習了網(wǎng)絡(luò )系統集成和項目管理技術(shù)與知識。
