然而，如果您在程序中从未使用过“导线”（wire）来在模块间进行通讯的话，您也许需要快速浏览一下第 2 章。

You may want to scan Chapter 2, however, if you've never used "wires" in your programs to communicate between blocks.

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第7章介绍寻址、可靠通讯、元数据交换、安全等其它相关高级概念。

Chapter 7 covers advanced concepts related to addressing, reliable messaging, metadata exchange, security, and more.

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这里的图片是，铃木章，他是三个被授予2010年诺贝尔化学奖的科学家的一员。美国联合通讯社图片。

Akira Suzuki, pictured here, is one of the trio of chemists to claim the 2010 Nobel Prize for Chemistry. AP photo.

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