C + + language to achieve the drawing program, the main functions include: drawing lines, drawing circles, drawing rectangle, as well as serialization and other functions.
详细说明：用C+ +语言实现的绘图程序，主要功能包括：画线、画圆、画矩形以及序列化等功能。- Using等功能。
The four-spring rectangle chest-expander has the function of the existing chest-expander with single spring ends connecting handles, and besides, has the functions of bending elbows and drawing chest.
它除了有现有的单簧两端连接把手的臂力器的使用功能外，也能做屈肘、收胸的运动。
The four-spring rectangle chest-expander has the function of the existing chest-expander with single spring ends connecting handles, and besides, has the functions of bending elbows and drawing chest.
它除了有现有的单簧两端连接把手的臂力器的使用功能外，也能做屈肘、收胸的运动。
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