说明：  这是ADS的学习文档，介绍了ADS的使用技巧和方法，并讲解了大量的实例，是初学者学习ADS的最佳入门文档。
(This is a learning ADS document, introduced the use of ADS skills and methods, and explained to a large number of instances, is for beginners to learn the best entry documents ADS.)