| 释义 |
对数duìshù如果ɑ=b(ɑ＞0,ɑ≠1), k就叫做以ɑ为底的b的对数,记作logb=k。其中ɑ叫做底数,简称底;b叫做真数。{logarithm. If ɑ=b(ɑ＞0, ɑ≠1), k is the logarithm of b with ɑ as its base number, and it is put as logb=k. Of this, ɑ is known as ‘base number’, or ‘base’ for short, and b ‘antilogarithm’, or ‘antilog’ for short.} |