求翻译：在一定的技术条件支持下，GPS-RTK三维一体化既有线测绘方法，能够满足普通铁路勘测设计阶段既有线测量精度要求，提高既有线测绘综合作业效率，客观上降低作业人员劳动强度和安全风险，具有很好的可行性。是什么意思？

Under certain technical conditions to support the gps rtk three-dimensional integration of existing line mapping methods to meet the ordinary railway surveying measurement accuracy requirements of the existing line of the design phase to improve the existing line mapping operational efficiency, the

In a certain technical conditions, GPS - RTK 3D integration as well as online mapping method, to be able to meet the general railway line as well as survey design phase measurement accuracy requirements, and improve existing online mapping comprehensive job efficiency, an objective, reducing labor a

Under certain engineering factor support, the GPS-RTK three dimensional integration already wired mapping method, can satisfy the ordinary railroad survey design stage already wired measuring accuracy request, enhances already the wired mapping comprehensive work efficiency, on objective reduces the

Under certain conditions of technical support, GPS-RTK dimensional integration of surveying and mapping of existing railway approach, to meet the ordinary railway phase measuring accuracy of existing railway survey and design requirements, improve the comprehensive efficiency of surveying and mappin

正在翻译，请等待...