题目内容

如果角频率为314，则频率为（）HZ。

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贾府的“四春”分别是：孤独的、懦弱的、精明的、孤僻的。

角频率与频率互为倒数关系。

A. 对
B. 错

According to WTO''s definition of tourism, outbound tourism refers to ____.

Fill in the blanks with the words givenbelow. Each word is marked with a letter. You should decide on the best choice.