According to usage request of controlled objects in high frequency box, adopt AT89C52 for the core electric circuit, designed multiplex voltage output controller.

根据高频机箱中受控对象的使用要求，采用AT 89 C 52为核心电路，设计了多路电压量输出控制器。

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Use XML/XSLT only in cases where you have multiple presentation output types that must be supported by a single controller and back-end.

只有在需要多种表示输出类型，并且输出类型被单一的控制器及后端支持时才使用 XML/XSLT。

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The front panel houses a duo full-range three-inch drivers, a 6.5-inch woofer (all custom tuned, aimed at delivering neutral, transparent output in terms of EQ) and a controller box, each of which are held in with butterfly screws.

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While the Xbox 360 requires a quick trip to the dashboard to edit things like resolution and audio output, the Echo is easily configured without a gaming controller, thanks to a user interface that has the same look and feel as the rest of Media Center.

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