以2为底的对数一般出现在算法分析中。

Logs base 2 tend to show up in algorithm analysis.

youdao

此命令在轴上绘制以10为底的值的对数。

This plots the logarithm to base 10 of the values on the axis.

youdao

门口装饰着徽章和以红色为底标识语的门牌。

The entrance is decorated with emblems and plates with wording against the red background.

youdao

But mathematically, we've mentioned this before, log N or really to be precise, log base 2 of N, is the way you express this mathematically.

但从数学上说，之前我们已经提到过了，准确地说是log，N，以2为底N的对数，这就是它在数学上的表示。

哈佛公开课 - 计算机科学课程节选

Yeah. You're jumping slightly ahead of me, but basically, I'm done when this is equal to 1 right? Because I get down to the base case, so I'm done when b u is over 2 to the k is equal to 1, and you're absolutely right, that's when k is log base 2 of b.

因为这就是最基本的情况了，因此当b/2的k次方等于1的时候就停止了1,你说的太对了，就是k等于b的以2为底的对数的时候,你们都坐的挺靠后的啊，我不知道是不是我讲的不太明白？

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