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是一种辅助决策技术,它采用系统的观点和方法对所研究的问题提出各种可行的方案或策略,进行定性和定量的分析和评价,帮助决策者提高对所研究的问题认识的清晰成都,以便决策者选择行动方案
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【单选题】Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
A.
while
B.
when
C.
or
D.
after
【简答题】销连接通常用于固定零件之间的相对位置，是组合加工和装配时的重要辅助零件，称为_________。A. 定位销
【简答题】The Save the Children Fund is known as Save the Children. It is an internationally organization that protects children’s rights and helps support children in developing countries. It was set up in the...
【简答题】A．Children are honest by nature. B．Children should be taught to be honest. C．Children should learn to tell harmless lies when necessary. D．Children may learn from experience to be dishonest.
【单选题】Children are all enjoying themselves on____ [ ]
A.
Children's Day
B.
Child Day
C.
Children Day
D.
Child's Day
【简答题】销连接通常用于固定零件之间的相对位置,是组合加工和装配时的重要辅助零件,称为_________。
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