只有使用这个文件名，才能获取设备控制需要的设备句柄。
Only by using this file name can we get the device handle that is required for device control.
它们与 MIME 类型、文件名扩展等文件的正式注册相似，不过在中心控制方面有所不如。
They are like formal registries for MIME types, filename extensions, and such, but with less central control.
你有控制重复的文件名，和代理人支持被包括。
You have control over duplicate file names, and proxy support is included.
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