制定标准应遵循的原则是:应当有利于合理利用国家资源,推广科学技术成果,提高经济效益,并符合(),有利于产品的通用互换,做到技术上先进,经济上合理。
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闸门调节方法简单易行,也很经济。
A. 正确
B. 错误
数控系统中,程序段G04 X5.0,表示()。
A. X坐标轴方向移动5毫米
B. 主轴哲停5秒钟
C. 主轴暂停5秒
D. 进给轴暂停5秒钟
()involves comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance.These other projects can be within the performing organization or outside of it,and can be within the same or in another application area.
A. Metrics
B. Measurement
C. Benchmarking
D. Baseline