试题详情
- 单项选择题For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
A、0.4 nanometers
B、0.6 nanometers
C、0.8 nanometers
D、1.2 nanometers
E、1.6 nanometers
- C
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