大地测量技术,几百年来实际上没有改变,突然跨上激光,全速跨入宇宙时代。所以,崎岖不平的森林地和山区的边界现在能以从前土木工程师所不能得到的精确度和操作的简易程度来划定。新的轻便型激光土地测量系统,是在国家航空和宇宙航行局戈达德宇宙飞行中心研 Geodetic technology, virtually unchanged for hundreds of years, suddenly across the laser, into the universe at full speed. As a result, the bumpy woodland and mountain boundaries can now be delineated by the ease and sophistication previously unavailable to civil engineers. The new portable laser land surveying system was developed at the NASA Goddard Cosmic Flight Center