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。
2
Common authentication methods include password, public key, keyboard-interactive, GSSAPI, SecureID, and PAM.
常见的身份验证方法包括密码、公钥、键盘交互、GSSAPI、SecureID 和 PAM。
3
It was recognized that the new realtime human-computer interaction based on web cameras is a much better interactive means than traditional one, in which keyboard and mouse are often used.