cursors

You can move the cursor by using the mouse.

你可以鼠器来移动光。

For example, in precompiler application development, a cursor is a named resource available to a program and can be used specifically to parse SQL statements embedded within the application.

例如，在开发一个应程序时，游可以看作供程序已命名资源，它被嵌入程序中解析SQL语句。