电子地图是车载定位定向系统中的重要组成部分。
Electron map is an important part in vehicle position and azimuth determines system.
介绍了定向钻穿越控制系统、主要施工程序、作业原理和作业方法。
Introduced control system, main construction process, working theory and working method.
找到了站点，但已超出系统的重定向限制。
The site was found but exceeded the system limits for redirection.
定位定向技术是深海作业系统的主要关键技术之一。
Position and azimuth determining technology is one of the main technologies for deep ocean work.
定位定向技术是深海作业系统的主要关键技术之一。
Position and azimuth determining technology is one of the main technologies for deep ocean work.
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