在pro/e和solid works中,一般来说,创建模型需要先绘制工程图,然后通过工程图生成三维模型()
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第1题
Which of the following gives a general idea of how the noise-killing system works?
A.By producing pressure waves going in the opposite direction.
B.By mixing high frequency sound waves with low frequency sound waves.
C.By mixing new sound waves with the noise and sending them out together.
D.By making copies of tire unwanted sound waves and letting them out a little later.
第2题
Which of the following gives a general idea of how the noise killing system works?
A.By producing pressure waves going in the opposite direction.
B.By mixing high frequency sound waves with low frequency sound waves.
C.By mixing new sound waves with the noise and sending them out together.
D.By making copies of the unwanted sound waves and letting them out a little later.
第3题
A.9380有霜露白和流沙金
B.9380的厚度和重量都占优势
C.9380最厚11.6mm,最薄7.8mm,重量1.33kg
D.三款产品中,只有9380有双风扇和双铜管设计
E.9380续航时间高达12小时
第4题
A.面积
B.体积
C.厚度
D.重量
第5题
在AutoCAD中画点的命令是
(A)point
(B)donut
(C)hatch
(D)solid
第8题
A、{Visual Fox Pro}
B、""Visual Fox Pro""
C、["Visual Fox Pro"]
D、Visual Fox Pro
第9题
第三节 词语配伍
从上边一栏中找出一个与下边一栏的含义相符的选项。
[A]She works in a hospital.
[B]He teaches Chinese.
[C]By bike.
[D] He is a worker.
[E] I like it very much
[F] Yes, I do.
What does Teacher Li teach?