override switch

基本解釋

The dimmer switch in the automatic headlamp dimming system is a special override type.
自動前照燈的變光開關(guān)是一種特別的開關(guān)。
If a previous checkpoint is already in progress, the checkpoint forced by the log switch will override the current checkpoint.
如果先前的檢查點已經(jīng)在進行中，由日志切換引起的檢查點會覆蓋儅期的檢查點。
blog.sina.com.cn
For instance, the -f switch commonly used to tell a program to read a configuration file complicates the configuration because the file may override or supplement options given on the command line.
例如，-f 開關(guān)通常用於告訴程序讀取一個配置文件，這將因爲該文件可能覆蓋或者補充命令行上給出的選項而使処理變複襍。