说明：  本手册包括若干章节；每章描述 ENVI 提供的一系列处理程序。多数章节遵循 ENVI 的菜单结构。对于章节中的每个主题，功能描述之后给出了实现它的一步步向导。向导中描述了参数，通常还附有建议和例子。大多数功能 （除了交互的功能） 从 ENVI 的下拉主菜单启动。出现包含接受用户输入参数的对话框。许多参数包含系统默认值并且有一些是可选的。当功能运行时，出现一个处理状态窗口。
(This manual includes a number of chapters each chapter describe the ENVI offers a range of processes. Most chapters follow the ENVI menu structure. For each topic chapter, functional descriptions are given to achieve its Yibubuxiang guide. Guide describes the parameters, usually together with suggestions and examples. Most of the features (in addition to interactive features) from the ENVI main menu to start the drop-down. Appears with a dialog box to accept user input parameters. Many parameters include the system default values, and some are optional. When the function runs, the emergence of a deal with the status window.)