graph block meaning in English

图形块

The main functions of the module for initializing drawing environment are to set up the scale . linetype . breadth and frame of drawings according to the characteristics of the general arrangement drawing to passenger shippings . the main functions of the second module is to establish and extend graph library , retrieve from graph library and output graph blocks . using the parameterization design method to design interactively and modify automatically graphs of the local cabin are the tasks of the third module . in the help module , the drawing specifications of passenger shipping are integrated , such as equipments of anchor and moor , arrangement of cab , cabin and baggage , measures to come through and ration of passengers , etc . there are some advantages in the proposed system , such as friend interface , operation easily , drawing conveniently and modification automatically
其中初始化绘图环境模块主要针对客船总布置图绘制的特点来完成比例、线型、图幅和图框的设置；客船总布置图图库模块主要完成图库的建立和扩充、图库的查询以及图块的输出；局部舱室参数化设计模块采用参数化技术完成对局部舱室图形的自动修改以及交互设计；客船规范帮助模块则集中了一些武汉理工大学硕士学位论文客船绘制规范，如锚泊及系泊设备、驾驶室、乘客舱室及行李的放置、脱险措施及乘客定额等规范。