In this code, you start by declaring a file pointer to standard input so that you can get interactive information from the keyboard during the spell-check process.
在这段代码中，您首先要为标准输入声明一个文件指针，以便您能够在拼写检查过程中从键盘获得交互式信息。
It has multiplex analogue input channels, keyboard and digital code display with strong ability to resist the disturbance.
具有多路模拟输入通道，配有键盘和数码显示器。
Keyboard input through the electronic code lock password, key to determine.
通过键盘输入电子密码锁密码，按键确定。
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