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【多选题】
工作面中重复的元素需要定点绘制,在AutoCAD中,点命令主要包括哪些?A.
point
B.
region
C.
divide
D.
measure
E.
block
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】如果用互补CMOS逻辑电路来实现双输入异或门,至少需要用 个晶体管,而采用CMOS传输门实现具有相同功能的异或门电路,最多需要用 个晶体管。
【简答题】列举5中皮带机的保护装置
【简答题】( ) 7. In the past few years, great changes___.A. have taken place B. have been happened C. took place D. took the place
【单选题】Great changes ______ in the city, and a lot of new buildings ______.A．have been taken place; hav
A.
15. Great changes ______ in the city, and a lot of new buildings ______. A．have been taken place; have been set up
B.
have taken place; have been set up
C.
have taken place; have set up
D.
were taken place; were set up
【简答题】请将下方宴会与其所发挥的功能进行连线
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