以下是引用卡维纳吉在2005-1-7 20:21:00的发言:这个句子挺绕的,你的问题并不傻 这句话是说:Any medical test will sometimes 任何medical test有时都会出现两种情况 (1):"fail to detect a condition when it is present " condition本来存在,但是这个测试没有检测出来 (2 ) :"indicate that it is present when it is not" condition 本来不存在,检测结果显示它存在
Thanks! but do you think using "or" is better than "and"? because there is only
one result you can get from one test: A or B, it is impossible to get A and B.
Any test will sometimes fail to ... or indicate that ...
[此贴子已经被作者于2006-4-16 5:19:01编辑过] |