词汇	up time ratio
释义	up time ratio 开机时间比值
随便看	character string picture character string picture data character string routine Character strings and quotation marks character string segmentation character string terminator character string type character string variable character stroke character/stroke precision character structare character structure Character Studio character study character stuffing character style Character-style writing character subset character substring character substring name character suit character sum character sums character suppression characters used