| 释义 |
- 坐标原点：指在坐标系中确定的原点，用于确定其他点的位置。
1 ?坐标原点 ... 起点，原点，起因，起源，起始地址，源 origin 坐标原点 origin of coordinate 原始的，初斯的，原物的，独特的，原型，正本的，独创的，正本 original ...
- 1
The origin of coordinate conjunctions was very early, which were appeared in oracle bone inscription. - 2
PostScript's coordinate system puts the origin (0, 0) at the lower left corner of the page, and contains 72 points per inch. PostScript的坐标系统将把原点(0,0)放置在页面的左下角，并且每英寸包含72个点。 - 3
So, switching the area, moving the area to the other side, I'll get double integral of xdA is the area of origin times the x coordinate of the center of mass. 那么，改变一下区域，把这块移到另一侧，我们得到对xdA的双重积分,是原点那的圆面积乘质心的x的坐标。
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