目的是提供一个从未接触过计算机的用户也可以操作的操作系统。

The aim was to provide an operating system that users can play with, almost without having ever used a computer.

youdao

也许最大的研究挑战是编写不用在内存中构建源树就可以操作的XSLT处理器。

Perhaps the biggest research challenge is to write an XSLT processor that can operate without building the source tree in memory.

youdao

Xing在首页的右侧展示了很多可以操作的动作，包括注册，taking a tour和查看网站内容。

Xing presents users with multiple actions right on their home page, including signing up, taking a tour, or exploring content.

youdao

It could be, preconditions I want to have on input It could be, explanations of specific things you're doing.

也可以是我对输入的预期是什么,也可以是，对代码,正在进行的特定操作的解释。

麻省理工公开课 - 计算机科学及编程导论课程节选

A log algorithm typically is one where you cut the size of the problem down by some multiplicative factor.

对数级复杂度的算法就是指,通过一系列常量级步数的操作,可以将问题的规模。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the nice thing is that there's a shared behavior there. Just as I can have tuples as an ordered collection of things, strings behave as an ordered collection of things.

共享的行为，就像元组是有序的元素序列,字符串也是有序的元素序列,因此我可以对字符串做同样的操作,我可以把它们连结起来。

麻省理工公开课 - 计算机科学及编程导论课程节选