The principle of the former is to control character height like stylus printer while the principle of the latter is quite different.
前者的字符高度的控制方法类似针式打印机，而后者的控制原理则完全不同。
Given the data of control Wells in a given area, the drawing will be done on the printer by calculation of the parameters at the netted nodes and digit-character conversion.
基本原理是根据研究地区内控制井的资料，求得该区域网格化后各节点处的参数值，经过数字-字符转换处理，由打印机实现绘图。
Given the data of control Wells in a given area, the drawing will be done on the printer by calculation of the parameters at the netted nodes and digit-character conversion.
基本原理是根据研究地区内控制井的资料，求得该区域网格化后各节点处的参数值，经过数字-字符转换处理，由打印机实现绘图。
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