如果把所有的元音列在前面，字母表可能会更为合理一些。The alphabet might be more rational if all the vowels came first.现代俄语字母表有31个字母。The modern Russian alphabet has 31 letters.英语字母表中，Q在P和R之间。Q comes between P and R in the English alphabet....
虾青素分子结构中含有13个共轭双键, 是一种极不稳定的类胡萝卜素.Astaxanthin molecular structure which contains 13 conjugated double bonds, is one kind of extremely unsteady carotenoid.综述了近10年来虾青素结构、功能及应用方面的研究成果与进展.This article reviews the research pro...
这布花是用一种特殊的粘合剂固定住的.The cloth flower snaps on with a special binder.较好的配方是那些高硝基增塑的硝化棉粘合剂配方.The preferred compositions are the highly nitroplasticized nitrocellulose binder compositions.制造推进剂的最后操作是粘合剂的固化.The final operation...