题目

英语翻译
At the reconnaissance stage,the engineer’s task is ,by cut and try,to determine which routes deserve further study.Terminals of the road and intermediate points through which it must pass form the primary controls .A unique bridge site or single mountain pass also may become a primary control if no alternative exists .Likewise,for scenic highways ,the positions of timbered areas,waterfalls,lakes,and other attractions may be primary controls .Small settements which would be ignored or purposely bypassed in locating principal highways may be primary controls for secondary rosds.Drainage systems,mountain passes,low points in ridges,or swamps in low country,often form secondary controls.Cost factors such as favorable or unfavorable soil conditions,the numbers and sizes of structures,and the amount of excavation and embankment required for satisfactory alignment and grade likewise can be classified as secondary contrils.
In mountainous country with well-defined summit ranges,th

提问时间：2021-04-06

答案

在侦察阶段,工程师的任务是,藉着伤口和尝试,决定哪些路径更进一步该得到研究.道路和中间的点完成的它一定通过哪一个的终端机形成主要的控制.如果没有替代选择存在,一个独特桥位置或独身者山途径也可能成为主要的控制...