unsurveyed structure未登记构筑物;未登记搭建物
unsurveyed coastline未经堪测的海岸线
unsurveyed area[测] 无实测资料地区
shoreline unsurveyed未精测的海岸线
unsurveyed border未勘测界
unsurveyed stream未测溪流
limit of unsurveyed area未精测地区界线;未精测区界线