单词	standard deviationSD
释义	standard deviationSD 标准差
随便看	A stream has its source A stream has its source; a tree has its root a stream in which trout abound A stream issued from the bottom of the hill a streamlined convertible a streamlined method of production a stream of a stream of abuse A stream of air applied in a similar way a stream of cold air A stream of cold air flowed into the warm room a stream of curses a stream of gas a stream of insults a stream of invective a stream of lava a stream of light a stream of people A stream of people issued from the theatre a stream of smoke a stream of spring water a stream of words A stream or river astreated as-treated