假如你采用键盘来输入文本，那么每当你按下一个键时，与该键对应的二进制数字代码便被送入微计算机。
If you enter text via a key board, then each time you depress a key, the binary digit code associated with that key is transmitted to the microcomputer.
假如你采用键盘来输入文本，那么每当你按下一个键时，与该键对应的二进制数字代码便被送入微计算机。
If you enter text vla a key board, then each time you depress a key, the binary digit code associated with that key is transmitted to the microcomputer.
通过RS232（9）脚串口可实现计算机与控制器的双向通信，本系统采用二进制形式传输数据。
Using the RS232 (9 pins) as serial interface can carry out the communication between computer and controller. This system adopts the binary form to transmit the data.
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