This article focuses on the analysis of basic principles of digital photogrammetry, combined with digital photography imaging model, strictly derived photogrammetry in the total line equation.
本文重点分析了数字摄影测量的基本原理，结合数字摄影的成像模型，严格推导了摄影测量学中的共线方程。
Application of PROFIBUS on-the-spot total line in production line control system at Nansteel co., Ltd. strip steel plant is introduced, Meanwhile, the problems are put forward in system debugging.
介绍了PROFIBUS现场总线在南昌钢铁有限责任公司带钢厂生产线控制系统中的应用，对系统调试中应注意的问题进行了提示。
Application of PROFIBUS on-the-spot total line in production line control system at Nansteel co., Ltd. strip steel plant is introduced, Meanwhile, the problems are put forward in system debugging.
介绍了PROFIBUS现场总线在南昌钢铁有限责任公司带钢厂生产线控制系统中的应用，对系统调试中应注意的问题进行了提示。
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