1. 制备的：preparation 制备 | preparative 制备的 | prepeak 前峰
2. 准备;准备的;筹备的：preparationofsamples 样品制备 | preparative 准备;准备的;筹备的 | preparativechromatography 制备色谱
3. 预备的：preparation 准备 | preparative 预备的 | preparatory 预备的
4. 准备的：preparationpreparearrangedpreparativepreparednessrig-outsetouttune-up 准备 | preparative 准备的 | preparative 准备的信号
adj
1. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
1. preceding and preparing for something
e.g. preparatory steps
Synonym: preparatory propaedeutic