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【简答题】
回溯法实际上属于______,不能指望它有很好的最坏时间复杂性,遍历具有_____个结点的解空间树,在最坏情况下,时间代价为_____。
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【简答题】Discuss the common ways to conduct customer satisfaction survey. (at least 3)
【简答题】List some terms of customer satisfaction survey. 2.Discuss the common ways to conduct customer satisfaction survey. 3.英译汉: 1) customer service 2) customer satisfaction survey 3) customer loyalt...
【简答题】There are several ways to conduct a selection interview. Explain and illustrate the basic ways in which you can classify selections interviews.
【单选题】In the time of HINI, scientists ____ their spare time to conduct research on the ways of curing the disease.
A.
attributed
B.
devoted
C.
abandoned
D.
sacrificed
【多选题】Discuss the common ways to conduct customer satisfaction survey.
A.
Face to face
B.
over the phone
C.
email
D.
handwritten forms.
【单选题】假定客户关系为KH(KHH，NAME，ADDR)，其中KHH为客户号，NAME为客户名，ADDR为客户地址。产品关系为CP(CPH，PNAME，GG)，其中CPH为产品号， PNAME为产品名，GG为产品规格。简化的订单关系为DD(KHH，CPH，DJ，SL)，其中 KHH为客户号，CPH为产品号，DJ为单价，SL为数量。要查找某具体客户订购了某种具体产品的数量及单价，将涉及关系( )。
A.
KH
B.
KH、DD
C.
CP、DD
D.
KH、CP、DD
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