logical tab的用法和樣例：
例句
- This flexing generates a negative potential at the feedback tab, which feeds back to the base of the transistor.
這個彎曲在反應標記上產生負電壓，其反過來為晶體管的基極供電。 - Unnoticed chats went ignored with nary a flash, blink, or beep until we came back to the window or tab containing the chat room.
我們希望它可以增加時間標記，以及消息或提示等功能。
