1) precise levelling rod
精密水准尺
2) precise leveling staff
精密水准标尺
3) invar precise levelling staff
殷钢精密水准尺
4) precision leveling
精密水准
1.
It would expend more labor and material in the traditional precision leveling.
运用传统的观测计算方法,进行精密水准测量,需消耗较多的人力物力,而采用现代的技术与设备,不仅精度满足要求,而且省工省时,速度大大加快,粗差几乎消除,应用更加广泛、便利。
5) accurate level net
精密水准网
1.
This paper introduced the process of the construction of fiducial system for modern surveying of Wuhan city on the whole,then explained and analysed the data process and test of WHCORS、high accurate GPS reference network、accurate level net and areal geoid refine in Wuhan.
介绍了武汉市现代测绘基准体系建设的基本情况,对WHCORS系统、高精度GPS控制网、精密水准网、区域似大地水准面精化等方面分别介绍了数据处理和测试的有关情况,分析了体系建设的主要特点和创新点。
2.
This paper summarized the background and basic content of the construction of fiducial system for modern surveying of JiNan,then detailedly introduced the data process and test of high accurate GPS reference network、accurate level net and geoid refine and JNCORS,and the corresponding innovation and application are analysed.
概述了济南市现代测绘基准体系建设背景和基本情况,详细介绍高精度GPS网、精密水准网、济南似大地水准面精化、JNCORS系统的建立、数据处理及测试等有关情况,分析了济南市现代测绘基准体系的创新点和应用前景。
6) precision level
精密水准仪
补充资料：大地水准面差距
见大地水准面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条