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【单选题】
根据对信道的使用情况，可将多址协议分为固定分配多址协议、随机分配多址协议以及（）。
A.
时分多址
B.
频分多址
C.
码分多址
D.
基于预约的多址协议
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【单选题】在温度为 293 K 下,混合气体中 SO 2 平衡分压为 0.05 atm 时,溶液中 SO 2 的总浓度为( )。 293K 下, H ( SO 2 ) =1.63 kmol/(atm · m 3 ) ,离解常数 K 1 =[H + ][HSO 3 - ]/[SO 2 ]=0.017 kmol/m 3 。
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相关题目：
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.
查看完整题目与答案
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.A. with
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A.
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B.
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C.
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查看完整题目与答案
【简答题】一座功率为P=750 MW的核动力站，反应堆的温度为586K，可以利用的河水温度为293K，求：
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【单选题】We have been engaged ___ for many years.
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B.
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C.
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【单选题】在温度为 293 K 下,混合气体中 SO 2 平衡分压为 0.05 atm 时,溶液中 SO 2 的总浓度为( )。 293K 下, H ( SO 2 ) =1.63 kmol/(atm · m 3 ) ,离解常数 K 1 =[H + ][HSO 3 - ]/[SO 2 ]=0.017 kmol/m 3 。
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