q-log-convexity q对数凸
For example, a program that produces a log file could instead be piped into Q so that the log records were moved to a remote server in real time.
例如，一个生成日志文件的程序可通过管道与Q连接，使日志记录实时移入远程服务器。
Q. Secondary Teacher: I received a letter with the passwords, but cannot log into the companion website.
中学老师：我收到信函载有帐号，但不能成功登入该网站。
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