...捷运新庄线道岔为例 关键词 ：道岔结构体 过河潜盾隧道 冰冻工法 封底灌浆 深井抽水 [gap=1574]Keywords Cross line structure；cross river shield driven tunnel；freezing method；tremie grouting；well point de-..
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The tower of the extra high voltage (EHV) transmission line is heavy, tall, and it has longer cross arm and complex structure.
特高压线路的铁塔重量大、铁塔高、横担长、结构复杂。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
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