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【单选题】
恒容反应在间歇反应器和管式反应器进行,当操作条件相同,下列_______正确。A.
t=τ
B.
t≠τ
C.
Vr 间歇 =Vr 管式
D.
t 0 =τ
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反馈参考答案：
举一反三
【简答题】A．equation B．calculation C．coordination D．classification
【简答题】Indicate the object and the classification of autoleveller.
【单选题】Listen to the story and choose the right answers to the questions you hear. 5 . Why did the young couple finally decide to place an order? [音频]
A.
They were touched by the owner's hospitality.
B.
They wanted to help the owner with his family business.
C.
They thought the owner was honest and sincere.
D.
They realised how important after-sale services were.
【简答题】Listen to a story about an extremely self-satisfied woman’s racial stereotypes, and then complete the following notes with the appropriate words.
【单选题】What is the basic type of classification when we sort things into different categories ?
A.
Binary classification.
B.
Multi-class classification.
C.
Hierarchical classification.
D.
Random classification.
【简答题】RFID系统主要由三部分组成:___________、__________和应用系统。
【多选题】Which two options are reasons for using traffic classification?（）
A.
to use the classification to route traffic
B.
to use the classification to reorder packets from various sources
C.
to use the classification to discard malformed packets
D.
to use the classification to provide the configured service level
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