单项选择题
验收时,偏振模色散(PMD)应()。
A.≤0.1ps/km1/2
B.≤0.2ps/km1/2
C.≤0.3ps/km1/2
D.≤0.4ps/km1/2
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单项选择题
A.≤0.1ps/km1/2
B.≤0.2ps/km1/2
C.≤0.3ps/km1/2
D.≤0.4ps/km1/2
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