判断题

随机变量所取的每一个值就对应一个样本点

答案：正确

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单项选择题

SIM卡的数据有：固化数据和临时网络数据
A、正确
B、错误

单项选择题

Which of the following is not an essential component of the eukaryotic initiation stage of translation?()

A．40S ribosome
B．eIF2
C．GTP
D．N-formylmethionyl-tRNAfMet