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【单选题】
质点在有心力作用下运动时,力的作用线始终通过一固定点(力心),该力心的 为零,质点的 守恒。A.
力 , 动量
B.
力,动量矩
C.
力矩 , 动量
D.
力矩,动量矩
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举一反三
【简答题】软件工程的出现是由于______的出现。
【单选题】What is the primary purpose for the classification of traffic in a router?（）
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
【简答题】RFID 系统主要由 ( ) 和 ( ) 和天线 组成。
【简答题】Indicate the object and the classification of autoleveller.
【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】Regarding classification, which of the following are true?
A.
Classification is supervised learning, because the class labels of training samples are known.
B.
All classification algorithms will build a classification model.
C.
Decision tree induction can only be used for binary classification.
D.
Naive Bayes can only be used for binary classification.
【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.
【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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