【单选题】【消耗次数：1】
TM数据交换方法采用的是（）。
①
统计时分复用
②
同步时分复用
③
频分多路复用
④
码分多路复用
参考答案：
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相关题目
【简答题】
除码分多路以外，多路复用一般有两种方式：时分多路复用和[填空]。
【单选题】
在数据传输的线路复用技术中，时分复用与统计时分复用的区别是
①
时分复用采用时间片控制，统计时分复用不采用时间片控制
②
时分复用采用固定时间片控制，统计时分复用采用按需分配时间片控制
③
时分复用采用预先扫描用户需求控制，统计时分复用不预先扫描用户需求控制
④
时分复用与统计时分复用在信道复用控制策略上基本相同
【简答题】
复用的方法有频分复用、时分复用和[填空]。
随机题目
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①
Yes, she is much better now.
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She gets up early.
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She feels comfortable.
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【单选题】
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Yes, she is much better now.
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as more interesting as
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①
which
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at
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