该语言包含了批处理程序的概念，举例来说，可以在没有终端用户交互的情况下生成并运行批处理程序，从而生成报告，或者批处理数据库或文件的加载和更新。
The language includes the notion of batch program, which can be generated to run without end user interaction, for example, to produce reports or to batch database or files loads and updates.
全书包括ENVI编程介绍、波段运算、批处理、用户函数、常用编程工具、交互式函数等ENVI编程的各个方面。
ENVI programming book includes introduction, band operation, batch, user functions, common programming tools, interactive functions and other aspects of ENVI programming.
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