数据通信中的信道传输速率单位是 bits/ 秒,被称为 ( ), 而每秒钟电位变化的次数被称为 ( )。
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is,are,was,were,itself,himself,themselvesThetradeunion________believedtoregard________asanorganizationwherethemolestedcouldseekadviceandhelp.
Bloomfielddrewon______psychologywhentryingtodefinethemeaningoflinguisticforms.
翻译:Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
He________violinwhenIwanttosleep.