在允许操作低温液体和它的相关设备之前，人员必须对性质和安全的考虑完全熟悉。

Personnel must be thoroughly familiar with the properties and safety considerations before being allowed to handle a cryogenic liquid and its associated equipment.

youdao

不同的树种对土壤的形成和性质有不同的影响。

Different species have different influences on soil formation and soil properties.

youdao

新闻报道的性质要求记者对当代事件了如指掌。

The nature of news coverage requires reporters to be well-read on contemporary events.

youdao

So, instead, it was amazing he was able to group things in terms of the properties that he saw.

但是，他能够仅仅通过自己知道的那些性质,就能对元素进行归类，这是非常难得的。

麻省理工公开课 - 化学原理课程节选

And what you might have noted is although we described how to make predictions about these properties, I didn't talk too much about what it actually means, what the ramifications of these different properties are.

而大家可能已经注意到了我们描述了,如何对这些性质进行预言，但是我并没有讲这到底有什么意义，这些不同性质的分支是什么。

麻省理工公开课 - 化学原理课程节选

We're going to find other properties that do care about the history of the system like work, that you put in the system, or heat that you put in the system, or some other variables But you can't use those to define the equilibrium state.

我们还会发现其他一些,与系统的历史有关的性质,比如你对系统做的功，或者你向系统传递的热量，或其他的变量,但你不能用它们,来定义平衡态。

麻省理工公开课 - 热力学与动力学课程节选