题目内容：
插入损耗偏差是衡量信道（）的指标
A.效率.
B.均匀性
C.隔离度
D.带宽
参考答案：
选择题：插入损耗偏差是衡量信道（）的指标
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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