An event handler is more general; it takes an event object that contains the event type, the event coordinates, and so on.
事件处理程序更通用，它以一个事件对象为参数，其中包含事件类型、事件坐标等。
2
The General Office coordinates the work in the Ministry.
协调部内业务工作；
3
Based on the theory of colorimetry, the technology for simulating colors having desired CIE chromaticity coordinates and luminances on general TVGA CRT monitors is discussed.