This paper presents a new system for precisely positioning of the worktable.
本文介绍了一种新型的精密工作台定位控制系统。
This paper is divided into four parts, the first part is the company positioning.
本文分为四个部分，第一部分是公司定位。
A kind of new small space ultrasonic positioning system is introduced in this paper.
讨论了一种新型的小型空间定位系统。
This paper introduces a new underground positioning system and it's idea, content and reality.
文中介绍了新一代地下定位系统的设想、内容以及实现的可能性。
This paper introduces a new underground positioning system and it's idea, content and reality.
文中介绍了新一代地下定位系统的设想、内容以及实现的可能性。
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