The basic principle of a domestic developed Marine navigation state recorder and the technological measures adopted in design are described in this paper.
主要介绍我国自行研制的航行状态记录器的基本原理及研制工作中采取的技术措施。
2
This paper presents the method for making teaching videotape by using computer or game player with video recorder. The method is simple, practical, convenient and flexible.
本文介绍用微机或游戏学习机配合录像机制作教学录像带的方法，该法简单实用，方便灵活。
3
In such cases, this paper designs a multi-function automobile data recorder which can realize the vehicles positioning and navigating.