tracer test

• 示踪法试验

tracer test的用法和样例：

例句

1. Satisfactory test results were obtained over the orebody in the Hougou gold deposit which is covered by several meters of soil.
   后沟金矿矿体被数米厚黄土覆盖，所做电吸附找矿法试验研究取得较好效果。