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【单选题】
铁路线路在空间的位置是用他的路线( )表示的。A.
铁轨线路
B.
路基
C.
中心线
D.
道床路线
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举一反三
【简答题】B. During the Trade Show Listen to the short dialogues and write the answer to each question you hear. Dialogue 1 ____________ ____________
【简答题】B. During the Trade Show Listen to the short dialogues and write the answer to each question you hear. Dialogue 2 __________________ __________________
【简答题】B. During the Trade Show Listen to the short dialogues and write the answer to each question you hear. Dialogue 3 ____________ ____________
【简答题】虚拟制造系统 VMS 的建模包括( )、( ) 和( ) 三种类型。
【简答题】B. During the Trade Show Listen to the short dialogues and write the answer to each question you hear. Dialogue 4
【单选题】虚拟制造系统VMS是现实制造系统RMS在虚拟环境下的映射,是RMS的模型化、形式化和计算机化的抽象描述和表示。VMS的建模不包括()。
A.
生产模型
B.
产品模型
C.
工艺模型
D.
过程模型
【简答题】文の並列関係については、並列されるものは必ず___のものでなければなりません。
【单选题】______that the trade between the two countries reached its highest point.
A.
During the 1960s
B.
It was in the 1960s
C.
That it was in the 1960s
D.
It was the 1960s
【单选题】____ that saw the trade between the two countries reach its highest point.
A.
During the 1980’s
B.
That it was in the 1980’s
C.
It was the 1980’s
D.
It was in the 1980’s
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