长春汽车职业技术大学
第一章单元测试
Numerical control is designed to control the operation of a machine tool by a series of coded instructions called a program.
A part program is stored in the form of blocks of information, and each block has the numerical data needed to manufacture a segment of the work-piece.
Like a conventional machine tool, the NC system can’t replace the manual actions of the operator either.
数字模拟转换器的英语全称是
模拟数字转换器的英语缩写是________
A:错 B:对
答案:对
A:对 B:错
答案:对
A:错 B:对
答案:错
A:Central Processing Unit B:Analog Digital Converter C:Basic Revolution Unit D:Digital Analog Converter
答案:Central Processing Unit
A:DDT B:DDC C:APT D:ADC
答案:ADC
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