SA2K是为那些对音乐有著浓厚兴趣的人，想聆听每一个音乐的细节和微妙之处同时也想拥有一个复合型喇叭的人们所设计的。
SA2K master are for people with a burning interest in music, and who want to hear every detail and nuance in the music and at the same time want a compact loudspeaker.
在第八章中，你会掌握客户端验证的微妙之处，设计一个自适应的表单布局，并实现交互式的客户端-服务器端的表单特性，例如自动完成功能。
In Chapter 8, you'll master the finer points of client-side validation, design an adaptive form layout, and implement interactive client-server form features such as auto-completion...
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