Five more decimal places of precision on what a second is. - Right.

一秒是多少还要精确到小数点后五位。-对。

And by the year 1400, it had been calculated to as far as ten decimal places.

到公元 1400 年，人们已经计算出小数点后第 10 位。

That's kind of what makes it useful for writing fractions, kind of with nice things after the decimal place.

这就是为什么它对分数很有用，对小数点后的部分很好用。

I only know the speed of my car to two decimal places because that's all I get from the speedometer.

我们先从甘丹的开始! 小时转换成秒。

In 1949 the electronic computer ENIAC was used for 70 machine hours to calculate pi to more than 2,000 decimal places.

1949 年，电子计算机 ENIAC 花 70 机器工时算出了π小数点后 2000 多位。

They're defined that way and thus we know them in effect all the way out to an infinite number of decimal places.

好啦帮你平反一下， 其实对科学来说公里也是糟糕透顶的单位。

Just 35, correct decimal, places of Pi.

只需35, 正确的小数点, Pi的位置。

The Dewey Decimal System, relating to 12, circle of fifths or having two decimal places?

杜威十进制系统， 与 12、五分之一圈或有两位小数有关？

That's what makes it useful for writing fractions, with nice things after the decimal place.

这就是它在写分数时有用的原因，小数点后有很好的东西。

Okay? So, and the thing, and you can go as many decimal places as you want.

好的？ 所以，这件事，你可以随心所欲地保留小数位。

Maybe you're in math class and the teacher says, " What is pi to two decimal places? "

也许你在数学课上， 老师说：“ 小数点后两位的圆周率是多少？

One, two, three, four, five, six decimal places, that's what we talk about after the decimal point.

一、二、三、四、五、六位小数， 就是我们讲的小数点后。

The most precise atomic clocks today can accurately measure a second to more than 15 decimal places, and what makes them so precise is they tick 9 billion-something times per second.

今天最精确的原子钟可以精确地测量一秒到小数点后 15 位以上，它们如此精确的原因是每秒滴答 90 亿次。

You want them to notice the great price so more and more retailers, like Walmart, are pricing their products with irregular decimal places.

您希望他们注意到优惠的价格，因此越来越多的零售商（例如沃尔玛）在为他们的产品定价时使用不规则的小数位。

He had these digits inscribed on his tombstone, 20 years later, his record was surpassed by Christoph Grienberger who got 38, correct decimal places.

他的墓碑上刻着这些数字，20 年后，他的纪录被克里斯托夫·格林贝格尔 (Christoph Grienberger) 超越，后者获得了 38 个正确的小数位。

Over and over, year after year, Crampton measured to the tiniest degree - to eight decimal places the whorls and arcs and gentle curves of numberless Partula, compiling the results into fastidiously detailed tables.

年复一年，克兰普顿把数不清的柄眼蜗牛的螺层、弧度以及和缓的弯曲度一遍又一遍地测量到最精细的程度——到小数点后面8位，把结果编成了许多详详细细的表。

Where modern atomic clocks use long-wavelength microwave radiation, the next generation of atomic clocks will measure atomic changes based on visible light frequencies, filling in even more decimal places of precision for what a second is.

现代原子钟使用长波长微波辐射，下一代原子钟将根据可见光频率测量原子变化，为一秒的精度填充更多的小数位。

That is 24 orders of magnitude bigger, so any effect of gravity is lost down in the twenty fourth decimal place of the electrostatic force, an incredibly small effect.

这比它大了24个数量级，所以任何重力效应都会在静电力的小数点后二十四位消失，这是一个非常小的影响。

People often get their heads all tangled up about this, but with a measured number you just have to remember that the actual number goes out to infinite decimal places, you just never know all of them.

人们常常为此困惑不解，但是对于测量数字， 您只需要记住实际数字会精确到无限小数位， 您永远不会知道所有这些数字。