When running on roads, you can use MapMyRun to plot your route and measure it.
当在路上跑步时，你可以使用一个网站，比如MapMyRun去画出你的路线，测量它。
Route optimization is an effective safety measure to improve the safety of road transportation.
危险货物道路运输路线优化选择是提高危险货物运输安全的一项重要措施。
Route optimization is an effective safety measure to improve the safety of road transportation.
危险货物道路运输路线优化选择是提高危险货物运输安全的一项重要措施。
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