group testing

• 群验

group testing的用法和样例：

例句

1. Complex sample testing results should be in line with existing national product standards and design requirements.
   抽样复验结果应符合现行国家产品标准和设计要求。
2. All pupils would have easy access to emergency contraception and pregnancy testing without their parents being told.
   今后，所有学生都可以在不告知家长的情况下方便地得到紧急避孕和验孕服务。