Starbrook is a ground-based wide-field optical sensor capable of surveying the increasingly large number of objects in the higher-Earth orbits, such as the geostationary and GPS-type orbits.

Starbrook是一个地面宽场光学传感器，能够测量高空地球轨道内数量上不断增加的物体，比如地球同步卫星和全球定位系统型轨道。

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Based on the principle of photogrammetry, the author establishes a photogrammetric surveying system of higher degree of automation. which can better solve these problems.

本文作者根据摄影测量原理。建立了一个自动化程度较高的摄影测量系统。该系统可以较好地解决这些问题。

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When surveying major diameter and higher hanging pipeline, common trigonometric leveling can't meet precision requirement, but tangent method surveying can meet precision requirement.

在悬空管线测量中，对于管径大、悬空高的管线，用普通三角高程法测量很难满足精度要求，而用切线法测量则很容易达到精度要求。

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