These include the meter for length, and the second for time.

包括单位米和时间单位秒。

In the UK, the yard was considered the base unit of length.

在英国，码被认为是基本单位。

D. It was an exceptional unit of length.

D. 是一个特殊单位。

36. According to the text, what was the basic unit of length in the UK?

36. 根据本，英国基本单位是什么？

I would not say that. No one would say that. A light year is a unit of distance not time.

我可不会么说。没人会么说，光年是单位不是时间单位。

That's why knowing the length of the astronomical unit is so important!

就是为什么知道天单位是如此重要原因！

Today, Servius's legion, along with three others, has undertaken a “great march” of 30,000 Roman paces, the equivalent of nearly 36 kilometers.

今天，Servius军团和其他三个团，进行了3万罗马步（古罗马单位）宏大行军仪式，相当于近36千米。

And still with unit lengths. You often think of these as the rotation matrices.

还是单位 你通常认为些是旋转矩阵。

I just used three examples of length measurements with three different units, inches, feet, and meters.

我刚刚使用了三个不同单位测量示例：英寸、英尺和米。

A light-year is a unit of length, with one light-year equaling the distance that light would travel in a vacuum in one year.

一光年是单位，一 光年等于光 在真空中一年传播距离。

So, if you were to measure the British coast, using length of 100 km, you'd end up using 28 of them and get an answer of 2800 km.

所以，如果你测量英国海岸时使用是一百公里单位，你最终会测到28个，得到结果就是两千八百公里。

For the majority of recorded human history, units like the weight of a grain or the length of a hand weren't exact and varied from place to place.

对于大多数有记录人类历史，谷物重量或手等单位并不精确，并且因地而异。