试题与答案

馏出口

题型:名词解释

题目:

馏出口

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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(1)正数集合{                                                      …}
(2)负数集合{                                                      …}
(3)正整数集合{                                                    …}
(4)整数集合{                                                     …}
(5)分数集合{                                                     …}
(6)非负有理数集合{                                               …}
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(8)无理数集合{                                                   …}.
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