铁路安全继电器需要测试的主要电气参数包括：工作值、释放值、反向工作值等。

The electrical characteristics of railway safety relay are mainly involved with operating value, releasing value, reversing value and so on.

youdao

这就意味着你必须保证每个小时的工作值50块，一天八小时，一年250个工作日。

That means you must be doing work that is worth $50 per hour, eight hours per day, 250 days per year.

youdao

当我们完成工作后，你只需按照基于这项工作对于你的整个项目的贡献价值来支付你认为这项工作值多少钱的价格给我们。

When we're finished, just pay whatever you feel the work was worth, based on what it contributed to your overall project.

youdao

It not only does something, as we'll see, it also gets something and it has to hand it back to me.

它不仅要做好自己的本分工作，还要将获取到的值返还给我们。

哈佛公开课 - 计算机科学课程节选

self y Notice what I also do here, I create self dot y, give it a value, and then, oh cool, I can also set up what's the radius and angle for this point, by just doing a little bit of work.

我创建了，然后给它赋值，然后，噢太酷了，通过做一点额外的工作,就可以得到点的半径和角度了，好，实际上如果。

麻省理工公开课 - 计算机科学及编程导论课程节选

Remember the way dictionary works, this is the key. Is the key of a value.

记住这个字典的工作原理，这是关键，它是值的关键。

麻省理工公开课 - 计算机科学及编程导论课程节选