This means that users must switch between stylus and thumb-board, making for considerably awkward input interactions.

这就意味着使用者要经常在拇指板和手写笔之间换来换去，使得输入起来相当不方便。

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Motherboard digital input port: the instrument main board provides 3 programmable input port. receives the passive contact switch signal.

主板数字输入端口．仪表主板提供3个可编程输入端口，接收无源触点开关信号。

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