这些峰分别相当于乙基和丙基的侧链开裂.These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.'聚'.''氨脂一种氨基甲酸中除''.'乙基'.''酯以外的酯.Any of several esters, othe...
They provide easy - to - read charts and summaries, usually covering a 10 - year period.报告提供明白易懂的图表和总结, 涵盖面可达十年.This book has a superfluity of introductions and summaries.此本书中有多余的介绍和摘要.The computer prepares summaries of ...