依输入法以及作业系统平台的不同，字根表的格式也并不尽相同。
A combination of a character we called it root, basically a input method is looking for characters which matched what you type form the root file.
表示作业系统的资讯，例如版本和平台识别项。
Represents information about an operating system, such as the version and platform identifier.
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