变数biànshù 1.表示变量的数,如x2+y2=ɑ2, y=sinx中, x、y都是变数。{variable, for example, x and y in the formula x2+y2=ɑ2, y=sinx are variables} 2.可变的因素{variable factors; variable}: 事情在没有办成之前,还会有新的~。{There will be new variable factors before the mission is accomplished.}