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【简答题】
已知某数字传输系统传送八进制信号,信息速率为 ,试问码元速率应为多少?
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反馈参考答案：
举一反三
【简答题】Read the passage and fill in the blanks with the words in the box. listener in trouble underestimated unburden sympathetic The power of a sympathetic ear can never be ___1___ . Dale Ca...
【单选题】______ who she was, she said she was Mr. Johnson's friend.
A.
Asking
B.
Asked
C.
To ask
D.
When asking
【简答题】Fill in the blanks with the following words or expression . listener in trouble underestimate unburden sympathetic The power of a sympathetic ear can nerver be ___1___. D...
【简答题】7 )为什么现代大容量同步电机都做出旋转磁极式?
【简答题】Talk
about eternal
friendship with your
partner. You can take turns asking your partner the following questions. 1.Do you think friendship is important in your life? Why do you think so? 2. What do yo...
【简答题】7 )为什么现代大容量同步电机都做出旋转磁极式?
【单选题】_who she was, she said she was Mr. Johnson's friend.
A.
Asking
B.
Asked
C.
To be asked
D.
When asking
【多选题】下列关于幼儿消化系统卫生保健正确的是( )
A.
教育幼儿大口吃饭，快快吃饭。
B.
幼儿要少吃多餐，养成定时定量进餐的习惯。
C.
饭后宜轻微活动，不宜立即午睡，组织幼儿散步15-20分钟再入睡。
D.
培养幼儿定时排便的习惯,最好早餐后排便，不让孩子憋大便，以防形成习惯性便秘。
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