输入源被设置为麦克风(mic)。

The input source is set to the microphone (mic).

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您可以尝试输出特性，设置错误处理(不仅在xsl变换时，而且还在查找输入源时)，并发现API中的各种好东西。

You can play around with output properties, set error handling (not only for XSL transformations, but also for locating input sources) and find a variety of other goodies in the API.

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