题目内容：
光纤通信的主要通信方式是（）？
A.数字光纤通信系统
B.模拟光纤通信系统
C.单模光纤通信系统
D.多模光纤通信系统
参考答案：
选择题：光纤通信的主要通信方式是（）？
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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