The data that defines an SVG path element consists of a series of coordinate values defining points, and additional control characters preceding a point.
定义 SVG 路径元素的数据由一系列定义点的坐标值及在点之前的附加控制字符组成。
Wireless networks allow easy access to additional measuring and actuation points for process supervision and control, process optimization, plant and personnel safety, and maintenance.
无线网络允许对附加测量和用于过程监控，过程控制，过程优化，工厂和人员安全及维护的激点进行简单访问。
In additional control survey of route construction, how to use the coordinates of old control points affects both the precision of new coordinate and the difference between old coordinate and the new.
在线路施工的补充测量控制中，对先期控制点老坐标的如何使用，关系到新坐标的网形精度和与老坐标的差异程度。
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