单项选择题
A.10%~90% B.10%~80% C.10%~70% D.10%~60%
A.600mm B.700mm C.800mm D.900mm
A.S’ B.R’ C.RM D.SK
A.2.5Gb/s B.10Gb/s C.40Gb/s D.1.67Gb/s
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