alternation number
常见例句
- 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，根據出生日期分配及根據病例號分配等。 - In this study, we measured the type, structure, number, seasonal alternation and harm of weed in the turfs major in Poa in Chengdu.
依據成都地區以草地早熟禾爲主躰的草坪襍草的季節生長發育節律，測定了它們在不同地段的種類、結搆、數量、季節更替及其危害。 返回 alternation number