每一个类别均需要不同的分析信息。每个种类通常所需要的数据要素在表2中列出。

For each category different analytical information is needed. Listed in Table 2 are data elements that are normally required for each of these categories.

youdao

有些要素很难量化因此忽略；关于失业的数据，举例来说，参差不齐难作比较。

Some factors are hard to quantify and are therefore discounted; the data on unemployment, for example, were too spotty to compare.

youdao

数据内的要素可以通过填色加以分类，或者正如本表一样，填色可以制作一张热门的图表。

Colouring can be used to group subsets within the data or, as in this case, to create a heat map.

youdao

A low-level language, we used to call this assembly programming, you're down at the level of, your primitives are literally moving pieces of data from one location of memory to another, through a very simple operation.

一个低级的语言，我们曾经将其称为假设编程，你们只是处于用基本要素，把一些数据碎片,从记忆存储器的一个地方，通过简单的操作来转到另外一个地方。

麻省理工公开课 - 计算机科学及编程导论课程节选