alternate routing meaning in English

备份航路
更替路由
更替通路；更替路径选择
迂回路由选择

To go back and try an alternate route was equally impossible because traffic behind was backed up .
折回去走另外一条路，同样行不通，因为后面的车辆越堵越多。
People need to understand that thinking is an acquired skill . figuring things out takes practice , failure , retooling one ' s plans , and trying an alternate route if necessary
人们需要明白思考是一种必备的技能。把事弄清楚需要实践、经历失败、修整计划以及如果必要的话，需要尝试另一条路。
For example , local transportation departments can stream live pictures of road conditions at multiple trouble spots , alerting drivers to traffic congestion and advising them of alternate routes
例如，地方交通部门可以在多个事故地点以数据流方式传输路况的实况图像，警告驾驶员注意交通拥堵并建议他们选择其他的路线。