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【单选题】
PDM 的中文含义是( )。A.
计算机辅助设计
B.
计算机辅助工程
C.
产品数据管理
D.
业务流程管理
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举一反三
【简答题】n. 评论;解释;批评;指责; v. 表达意见;作出评论;
【简答题】The smooth space flight, experts say, marks a big ____________ for Chinese scientists.
【单选题】The smooth space flight, experts say, marks a big ____________ for Chinese scientists.
A.
creative
B.
breakthrough
【简答题】Looking back on China's road to outer space, people can easily find it has not been very smooth．In the past years, Chinese people have made hard and determined efforts to realize the dream their ances...
【简答题】Looking back on China’s road to outer space, people can easily find it has not been very smooth. In the past years, Chinese people have made hard and determined efforts to realize the dream their ance...
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