control ball中文什么意思

例句与用法

1. in computer graphics, a hand-held locator operated by moving it on a flat surface . a mouse generally contains a control ball or a pair of wheels
   在计算机绘图技术中，通过在平面上移动进行操作的一种手握的画面定位装置。它通常有一个控制球或一对轮子。
2. characteristic : namely soft also the rich tension, enable it control ball easily, also to have the high speed counter-tension, canada spreads the surface the strong viscosity, causes it friction force to increase, may with ease to make each kind of revolving
   特点:即柔软且富有弹力、使之控制球容易、又有高速的反弹力，加上胶面的强粘度、使之摩擦力增大、可轻松地制造出各种旋转。