题目内容：
A.信号分别占据不同时间片断B.一组正交的脉冲序列分别携带不同信号
C.频谱搬移
D.多个不同波长光信号
参考答案：
选择题：WDM采用()办法使不同信号分别占据不同频带进行传输。
- 题目分类：通信计算机技能鉴定
- 题目类型：选择题
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