student's t test t 检验 ; 检定
"You can have that test, but it can't be an exclusive test because of the nature of the patent laws which are to protect new and unknown inventions."
VOA: special.2010.07.16
Please don't, if you are up here, become complacent because a month from now we will have another test.
如果你考得不错的话,请不要自满,因为在一个月后我们将还有一次测试。
which basically, I don't really know they haven't done any examination or any test, any tests.
事实上,我真的不知道他们做过任何考试或者测试没有。
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