The initialize_vertices function needs to be called in the main program, so add the function call in the main subroutine at line 597.
需要在主程序中调用initialize_vertices函数，因此把函数调用添加到位于第597行的main子程序中。
Line search - a technique for one dimensional optimization, usually used as a subroutine for other, more general techniques.
线搜索-技术，一维的优化，通常用作其他子程序，更普遍的技术。
After the subroutine parameter is given the origin number, the plotter controlled by computer can draw out automatically extension line, dimension line, arrowhead and write dimension figures.
当给子程序的参数赋以初值后，由计算机控制自动绘图机绘制出尺寸界线、尺寸线、箭头和注写尺寸数字。
The said display subroutine describes the position of next Chinese on same line to be display.
汉字的显示子程序考虑了同一行的下一个待显示汉字的位置，并叙述了汉字小字库的调用方法。
The said display subroutine describes the position of next Chinese on same line to be display.
汉字的显示子程序考虑了同一行的下一个待显示汉字的位置，并叙述了汉字小字库的调用方法。
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