在您的系统设置中建立环境变量 ROO-DEV，该变量应指向 Roo 项目中的引导文件夹。

Set up the environment variable ROO-DEV in your system settings, which should point to the bootstrap folder within the Roo project.

youdao

变量始终是由值指定的，这意味着设置一个变量等于另一个变量后，它们就相互独立。

Variables are always assigned by value, which means that when one variable is set equal to another variable, they are then independent of each other.

youdao

首先，他们解释说，如果一个给定的变量对幸福感有影响，那么我们应该认为该变量的任何变化都与观察到的幸福感变化相关。

First, they explain that if a given variable is playing a role in affecting well-being, then we should expect any change in that variable to correlate with the observed changes in well-being.

youdao

OK. So if we have variables, one of the questions we can ask is, what's the type of the variable.

好，如果我们有了一个变量，我们要问的问题之一就是，这个变量的类型是什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

All right? The first one is, that test has to involve-- shouldn't have to, the value of some variable.

好不好？第一件事是，循环开始的测试必须必须-不是一定，一些变量的值。

麻省理工公开课 - 计算机科学及编程导论课程节选

So what they do is, they're describing how these thermodynamic properties change, in terms of only state functions and state variables.

他们的作用是描述,随着状态函数和状态变量的变化，系统的热力性质如何变化。

麻省理工公开课 - 热力学与动力学课程节选