feed conversion pattern 饲料转化规律

interest conversion pattern 兴趣迁移模式

contractor conversion pattern 承包人转化型

Sentence pattern conversion 句型转换

pattern conversion 模式转换

flow pattern conversion 流型转化

organizational pattern conversion 组织范式转变

conversion principle and pattern 转化机理和模式

Pattern drills by conversion 转换式句型操练