1) test observation of precision levelling surveying
精密水准实验观测
2) precise level monitoring
精密水准监测
1.
Aimed at different understanding and view point,based on precise level monitoring,GPS techniques and systematic analysis of in situ monitoring data of scores of years,the authors put forward a perspective of surface subsidence has certain self recoverable capability,summed up the range of surface recoverable subsidence threshold,narrated rational method and in situ monitoring essentials.
针对地面沉降问题的不同认识与见解,采用精密水准监测技术、GPS技术,在系统分析几十年原位监测数据的基础上,提出了地面沉降具有一定自恢复能力的观点,总结出了地面沉降可恢复性沉降阈值的范围,叙述了地面沉降原位监测的合理方法及监测要领。
3) precise leveling
精密水准测量
1.
In order to monitor land subsidence in Tianjin area,a GPS network was established in 1995 as a complementary means of the precise leveling.
为了监测天津地区的地面沉降,配合精密水准测量,1995年布设了一个GPS监测网,每年的10-11月进行一次精密GPS测量,并与同期进行的精密水准复测的垂直形变结果进行比较研究。
2.
The relative altitude variations at these points were analyzed using ten years replicated observations in this paper,and they were compared with the results of precise leveling by the authors.
本文作者利用十年的重复观测结果分析了这些点的相对高程变化,并与精密水准测量结果进行了比较,讨论了它们的差异和一致性,最后估计了GPS方法测定地面垂直变化的精度。
3.
On the basis of the research on the contrast between GPS and precise leveling from 1995 to 2004, the actual accuracy of the two methods is tested.
根据对1995~2004连续10年的GPS大地高与精密水准测量数据的对比研究,验证了两种方法的实际精度,结果表明GPS大地高变化完全可以像精密水准测量一样高精度地获取水准测量点的沉降值,可用于地面沉降监测。
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) PMEL
精密测量设备实验室
6) experiment observation
实验观测
1.
Experiment observation of torsion wave splitting in anisotropic medium;
各向异性介质中扭转波分裂的初步实验观测
补充资料：大坝内部变形观测(见水工建筑物变形观测)
大坝内部变形观测(见水工建筑物变形观测)
daba neibubianxing guanCe大坝内部变形观测见水工建筑物变形观测。
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