But let me go back to these sines, cosines and logarithms.

但让我们再来说说正弦、余弦和对数函数。

Secretary Sebelius faced hours of questions during that Congressional hearing yesterday.

部长西贝在昨天的国会听证会上面对数小时的质疑。

This is why water can act as both an acid and a base.

对数运算的底数，或是说log下面的那个数字，把它作为指数运算的底数。

Weber’s Law says that we perceive differences on a logarithmic, not a linear scale.

的名字来给它命名。韦伯定律，我们在对数尺上感知物体不同点，而不是在线性尺上。

Polynomials could also be used to approximate logarithmic and trigonometric functions, which are a real hassle to calculate by hand.

多项式也可以用于近似对数和三角函数些函数手算相当麻烦。

They're what we use most in chemistry, and they're really easy to understand, and also what we base scientific notation on.

是的，没错，对数一眼看过去是有点吓人，但我们要用的个对数却超级简单。

Each successive measurement increases logarithmically, meaning that each magnitude is 10 times more powerful than the one before it.

每一次连续的测量都呈对数增，味着每一次测量的强都是前一次测量的10倍。

And not just any logarithms, but those known as " natural" ones.

不仅是任何对数， 还有那些被称为“自然” 的对数。

There's this fascination with counting cards.

人们对数牌着迷。

So it's like a series of log curves.

所以它就像一系列对数曲线。

The new formula relies on the mathematical concept known as logarithms.

新公式依赖于称为对数的数学概念。

Log base 2 of 8000 is roughly 13.

8000 的以 2 为底的对数大约是 13。

Decibels are in what we call a logarithmic scale, for the mathematicians out there.

对于那里的数学家来说，分贝是我们所说的对数刻。

Because if you were to plot the progress, the progress looks like a log curve.

因为如果你要绘制进，进看起来就像一条对数曲线。

They discussed how to tabulate a logarithmic table in a tabloid.

他们讨论如何在一个小报上制一个对数表。

First, researchers encode trillions of mRNA molecules with the instructions for a specific viral protein.

首先，研究人员使用特定病毒蛋白的指令对数万亿个 mRNA 分子进行编码。

Though he had an interest in logarithm and logistics, he wanted to be a logician.

虽然他对对数和后勤学感兴地，他想成为一名逻辑学家。

The horizontal line is time before present, and the vertical line as the logarithm of sizes of settlements.

横线是现在之前的时间，纵线是聚落规模的对数。

First, we take the base 10 log of 1 Watt per square meter, over 1 picowatt per square meter.

首先我们取 1 瓦特的十进制对数，以米为单位 平方米，每平方米 1 皮瓦。

The decibel scale is what's used to measure the loudness of a sound and it's important to note that the scale is logarithmic.

分贝刻是用来测量声音的响的，而且重要的是要注个分贝刻表呈对数曲线。