The mathematician invented a complex number system.

那位数学家发明了一套复杂的数字系。

In medieval Latin, algorismus simply meant the decimal number system.

在中世纪拉丁语中，agorismus 只是指十进制数字系。

I wouldn't say we have to use the number system ten.

说们必须使用十进制。

They had completely different number systems as well.

他们也有完全同的数字系。

Why must we use the number system 10?

为什么们必须使用数字系 10？

I wouldn’t say we have to use the number system 10.

说们必须使用数字系 10。

But this is only in base 10. You know, the number system, we use 10 digits.

这只是以 10 为基数。你知道，数字系，们使用 10 位数字。

A number system indicates how she's measuring up in each area without any mention of passing or failing.

数字系表明她在每个领域的表，有提及通过或失败。

As they began to settle, grow plants and herd animals, the need for a sophisticated number system became paramount.

随着定居生活的开始，他们开始种植作物并养殖家畜，对复杂完整的数字体系的需求变得极为迫切。

Beijing triggered its first ever red alert this winter, putting half of its cars off the road based on an odd-even car plate number system.

北京今年冬天拉响了有史以来第一次红色警报, 通过汽车车牌系分单双号限制一半的汽车上路。

We use a base 10 number system, so things are usually easier to remember and do right when a power of 10 is involved.

们使用以 10 为基数的数字系，因此当涉及 10 的幂时，事情通常更容易记住并且正确执行。

The Hindu-Arabic number system, along with the decimal point, both described by al-Khwarizmi in his book, are the basis of the numbers we use throughout the world today.

花拉子密在他的书中描述的印度-阿拉伯数字系，以及小数点，都是们今天在世界各地使用的数字的基础。

Fast-forward to around 1,000 years ago, and since people were using round things to keep track of time, astronomers were all about this weird base-60 number system from the Babylonians.

快进到大约 1000 年前，由于人们用圆形的东西来记录时间，天文学家们都在研究巴比伦人这个奇怪的 60 进制数字系。