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计算机考试试题及答案解析

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单项选择题

Forlaserswithtightlycontrolledwavelengths,approximatelyhowfarapartarethecentersofadjacentwavelengthswhen100GHzspacingisusedinaDWDMsystem?()

A.0.4nanometers
B.0.6nanometers
C.0.8nanometers
D.1.2nanometers
E.1.6nanometers
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