针对船舶制图中图型的特点和计算机系统的能力，本文介绍了建立自动绘图程序的方法。

According to the characteristics of graphs in ship drafting and the capability of the computer system, this article introduces a method for creating automatic plotting program system.

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改进的装置由J2135型碰撞实验器、绘图板和底板组成，并增加了活动托板和“L”型定位器等装置。

The improved device consists of J2135 collision experiment device, drawing table and soleplate, and also adds a mobile board and a L-type positioning device.

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就苹果型的微机绘图程序来说，指针法比CHAIN命令更为优越。

The Pointer Method is superior to CHAIN in the graphic programs for APPLE microcomputer.

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