实验设计是在实验开始之前，根据一定的目的和要求，制定实验方法和进程计划。

Before experiment, you must constitute experimental means and projects according to the aim and request.

youdao

实验设计是在实验开始之前，根据一定的目的和要求，制定实验方法和进程计划。

Before experiment, you must constitute experimental means and projects according to the aim and request.

youdao