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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