They coordinate with each other by using GPS location data. That lets them plot out the most efficient way to tackle a clean-up project.

他们可以利用GPS定位数据协同工作，策划出最有效的清理方案。

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The dispose method lets us clean up any resources that may have been allocated and the compose method is the one that is responsible for the primitive drawing.

dispose方法让我们清除任何已经分配的资源，而compose方法则负责图元绘图的方法。

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The dispose method lets us clean up any resources that may have been allocated and the compose method is the one that is responsible for the primitive drawing.

dispose方法让我们清除任何已经分配的资源，而compose方法则负责图元绘图的方法。

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