设置当前原点 新建一个PCB文件后,系统自动定义了一个坐标系,坐标原点称为绝对原点(Absolute Origin),位置在工作窗口的左下角。为便于规划电路板,我们可以自行定义坐标系,具体方法前面已经讲述。
基于40个网页-相关网页
machine absolute origin 或机床绝对原点
It isn't completely clear whether or not there are absolute differences between the various derivations of Beta glucan. The clinical research on each origin of Beta glucan has been done, however.
虽然临床已经进行了许多关于不同来源的葡聚糖的研究,但现在尚不清楚这些葡聚糖是否完全的不同。
The pursuit of the world's origin, common, the pursuit of absolute and ultimate metaphysical philosophical manifestations.
追求世界的本源、共性,追求绝对和终极的形而上者是哲学的表现形式。
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