| 释义 |
| | | | ADJ SCIENCE | | | | | | a double-blind test involves two groups of people , only one of which is really being tested. None of the people in the two groups and none of the scientists performing the test knows which people belong to each group . 双盲的（指在对两组人进行比较的试验中，被试验者和科学家均不知道哪一组在接受测试） | | |