是指为跨越超过一般水准测量视线长度的障碍物（江河、湖泊、沟谷等）而采用特殊方法（倾斜螺旋法、经纬仪倾角法、光学测微法、测距三角高程法、GPS测量法等）进行的水准测量。
跨河水准测量（river-crossing leveling）是指为跨越超过一般水准测量视线长度的障碍物锛埥印⒑泊、沟谷等锛埙捎锰厥伙椒纸倾斜螺旋法、经纬仪倾角法、光学测微法等锛壗械...
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测绘英语词汇第13页 ... 库容测量reservoirstoragesurvey 跨河水准测量river-crossingleveling 块状图blockdiagram ...
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The traditional method of river-crossing leveling based on geometric optical measurement which is influenced by the distance and weather conditions significantly and have lower efficiency.
传统的跨河水准测量方法以几何光学观测为基础,受距离和气候条件的影响显著,工作效率较低。
参考来源 - GPS在桥梁跨河水准测量中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
长距离跨河水准测量是特大跨径桥梁建设中高程控制的一项重要内容。
Long distance river-crossing leveling is an important job in the elevation control of the long-span bridge construction.
长距离跨河水准测量是特大跨径桥梁建设中高程控制的一项重要内容。
With the rapid development of Chinas traffic, more and more long-span bridges are needed to be constructed.
采用测距三角高程法进行跨河水准测量，可以不量取仪器高，但观测值中有两类不同的观测量。
When completed river crossing leveling by means of trigonometric leveling with distance measurement, there are two types of observed values.
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