Previously,most ocean circulation models have overlooked the role of the surface waves.As a result,these models have produced insufficient vertical mixing,with
摘要:随着我国城市建设规模的不断扩大,各种大型建筑物和构筑物、交通设施等建设工程不断地增多,对工程测量不断提出新任务、新课题和新要求。本文主要介绍了GPS技术、物探技术和航测遥感技术三种测绘新技术在铁路工程中的应用。 关键词:测绘技术;GPS;物探;航测遥感;精度 Abstract: with the continuous expansion of urban construction in