specimen preparation

• 试样制备

specimen preparation的用法和样例：

例句

1. Can adapt to a variety of materials, sample preparation.
   可适应各种材料的试样制备。
2. The preparation procedure and data processing program of gas standard samples for titanium and titanium alloys.
   研究了钛及钛合金的气体标准试样制备工艺和数据处理方案。