逻辑模块对某通用船舶继电接触器辅机控制线路进行改造、编程、接线的实例，给出了基于LOGO ！
By discussing a practical example about reconstructing, programming and contacting of general Marine auxiliaries control circuits (including electric relays and contactors) in which LOGO!
通过对中小型船闸收费现状的分析，提出了一个通用船闸收费系统的设计，讨论了设计过程中的一些问题。
By analyzing the situation about the ship tollgate, this paper presents the design and implement of general tollgate system, discusses some questions in design.
通过对中小型船闸收费现状的分析，提出了一个通用船闸收费系统的设计，讨论了设计过程中的一些问题。
By analyzing the situation about the ship tollgate, this paper presents the design and implement of general tollgate system, discusses some questions in design.
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