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【单选题】
定时器/计数器T1工作在方式1时,计数溢出后,计数器()。
A.
被 自动 装入 TH1 的内容
B.
被清 0
C.
停止工作
D.
自动以上一次的初始值开始计数
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A.
one will obtain more basic rights
B.
the older one becomes, the more basic rights he will have
C.
one won't get more basic rights than when he is 21
D.
one will enjoy more rights granted by society
【单选题】最适合于1.55um工作波长高速率多信道系统工作的是哪个型号的光纤?A、G.652光纤B、G.653光纤C、G.654光纤D、G.655光纤
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D
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C
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【多选题】下列关于光接口W-y.z中的z代表的含义正确的是()
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B.
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A.
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【单选题】在1.55um工作波长损耗最小的光纤是哪个型号的光纤?A、G.652光纤B、G.653光纤C、G.654光纤D、G.655光纤
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C
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