常見(jiàn)例句雙語(yǔ)例句Some people think measure is also a parent structure.但也有人認(rèn)為測(cè)度也應(yīng)該是一種母結(jié)構(gòu)。The business logic of the database arranges these documents into discussion threads, with a child-parent hierarchal structure.數(shù)據(jù)庫(kù)的業(yè)務(wù)邏輯將通過(guò) child-parent 層次結(jié)構(gòu)把這些文檔組織成討論線索。Seeing that Chrysophanol has the same basic parent structure with Rhein, Rhein was synthesized through acetylation, oxidation and deacetylation reaction taking Chrysophanol as raw material.鑒于大黃酚具有大黃酸分子的基本母核,本文以植物中大黃酚為起始原料,經(jīng)乙酰化、氧化和脫乙酰反應(yīng)后制得大黃酸。 返回 parent structure