Mouse Wheel Zoom的意思|示意

At this point, you have a fully functional map pulling data in from multiple sources, including default functionality to pan with the mouse and zoom in and out with the mouse wheel.

此时，您就拥有了一个完全可以发挥作用的地图，可从多个资源拉入数据，包括默认的用鼠标平移以及用鼠标滑轮缩放的功能。

Digital zoom with the mouse scroll wheel, and drag to scroll the recording window.

通过鼠标的滑动可以进行数码变焦，也可以拖拉滚动条来控制录制的窗口。

You can zoom in or out of a diagram by pressing the Ctrl key while moving the mouse wheel.

您可以在移动鼠标滚轮的同时，通过按ctrl键来放大或者缩小图表。

By default, OpenLayers provides mouse wheel-based zoom in and out and mouse-based panning. You can also add on-map controls - for example.

默认地，OpenLayers提供基于鼠标滑轮的缩放以及基于鼠标的平移功能。

In any code editing window or text editing window, you can quickly zoom in or out by pressing and holding the CTRL key and moving the scroll wheel on the mouse.

在任何程序码编辑视窗或文字编辑视窗中，只要按住ctrl键并卷动滑鼠滚轮，就可以快速放大或缩小视窗。

By default, you can zoom using the mouse wheel.

在默认条件下使用鼠标滚轮可以实现缩放效果。