And then between the system and the surroundings is the boundary.

系统和环境之间的，是边界。

youdao

If we say we have a system, and it's in its surroundings.

如果我们有一个系统，它在环境中。

youdao

And so, we can immediately write this du and then we can write du for the universe, which is system plus surroundings is equal to zero.

因此，我们可以立刻写出这个等式，然后可以写出总的的，也就是系统加环境的du，等于零。

youdao

If we say we have a system, and it's in its surroundings.

如果我们有一个系统，它在环境中。

麻省理工公开课 - 热力学与动力学课程节选

And then between the system and the surroundings is the boundary.

系统和环境之间的,是边界。

麻省理工公开课 - 热力学与动力学课程节选

This is providing work that's being used in here, but if you take the whole outside of the surroundings and this whole thing is the system, no net work, these things cancel each other, and yet heat's going up.

如果把外面的全部当成环境，把这里的全部当成系统,那么就没有净的功，它们相互抵消了，热量向上传输，会发生什么？

麻省理工公开课 - 热力学与动力学课程节选

The vehicle has a built-in safety system that uses lasers and three-dimensional models of its surroundings to navigate obstacle-strewn warehouses.

FORBES

It was summed up for Mr Baudrillard by a lone man jogging, oblivious to his surroundings, hearing only the music of his own sound-system and aware only of the statements he himself was making: health, fashion, endurance.

ECONOMIST: Jean Baudrillard