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【单选题】
下列不是膜分离技术的特点A.
寿命长
B.
高效
C.
易于操作
D.
能耗低
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反馈参考答案：
举一反三
【简答题】物联网的框架结构是什么？
【简答题】( )是物联网框架结构的最高层次,是“物”的信息综合应用的( ),“物”是信息综合应用与行业有( ),依旧行业的不同而不同。
【单选题】( )是物联网框架结构的最高层次,是 “物”的信息综合应用的最终体现,“物”是信息综合应用与行业有密切的关系,依旧行业的不同而不同。
A.
应用层
B.
网络层
C.
感知层
D.
配置层
【单选题】If there is one thing scientists have to hear, it is that the game is over. Raised on the belief of an endless voyage of discovery, they recoil (畏缩) from the suggestion that most of the best things ha...
A.
most of the best things have already been changed
B.
most of the best things remain to be changed
C.
there have never been so many best things waiting to be discovered
D.
most secrets of the world have already been discovered
【单选题】If there is one thing scientists have to hear, it is that the game is over. Raised on the belief of an endless voyage of discovery, they recoil (畏缩) from the suggestion that most of the best things ha...
A.
most of the best things have already been changed
B.
most of the best things remain to be changed
C.
there have never been so many best things waiting to be discovered
D.
most secrets of the world have already been discovered
【多选题】( )是物联网框架结构的最高层次,是“物”的信息综合应用的( ),“物”是信息综合应用与行业有( ),依旧行业的不同而不同。
A.
感知层
B.
应用层
C.
密切的关系
D.
最终体现
【简答题】Standing on the top of a church tower not far from our home in Rome, Father said to me, 'Look down, Elsa.' I gathered all my and looked down. I saw the crisscross（十字形）of twisting, turning streets to t...
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