设计中采用行扫描法识别键的闭合，并且在按键的选用和信号的传输上都有其独特之处。
The design identify shutting of key using row scanning. It is peculiar in a-side of keys selection and signal transmission.
设计中采用行扫描法识别键的闭合，并且在按键的选用和信号的传输上都有其独特之处。
The design identify shutting of key using row scanning. It is peculiar in a-side of keys selection and signal transmission.
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