alternation number
常見例句
- Examples of quasi-random methods of assignment include alternation, date of birth, and medical record number.
準隨機分配方法包括:交替分配,根據(jù)出生日期分配及根據(jù)病例號分配等。 - In this study, we measured the type, structure, number, seasonal alternation and harm of weed in the turfs major in Poa in Chengdu.
依據(jù)成都地區(qū)以草地早熟禾為主體的草坪雜草的季節(jié)生長發(fā)育節(jié)律,測定了它們在不同地段的種類、結(jié)構(gòu)、數(shù)量、季節(jié)更替及其危害。 返回 alternation number