英语词汇“observational studies”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	observational studies
释义	observational studies [网络] 观察性研究；观测研究；观察研究
随便看	by then by-then by the name of by the nature of the case by the nature of the of things by the nature of the things by the nature of things by the night of nature by-the-numbers by the numbers by the piece by the piece of work by the pound by-the-pound by the power of fancy By the powers! by the quart by the river by the rood by the roodly by the root by the roots by the root s by the rulebook by the rules 大树底下好遮荫大树底下晒太阳，阴阳不分大树底下有荫凉大树底下有阴凉大树底下躲阴凉大树底下长不出好草大树思冯异，甘棠忆召公大树砍不倒，小草站不牢大树若正，不怕龙卷风大树若立，不怕龙卷风ゼヒゼヒトモゼブラゼブラ［zebra］ゼミゼミナールゼミナール［Seminar］ゼラチンゼラチン［gelatin］ゼラニウム