根据去年夏天发表的一项研究，心脏病有时是可逆的。
Heart disease is reversible in some cases, according to a study published last summer.
在可逆的情况下，外部压力基本上等于内部压力。
In the reversible case, an external pressure is essentially equal to the internal pressure.
这实际上是一个加密过的英文句子，但是以可逆的方式加密的。
It's actually an English sentence that's been somehow scrambled, but scrambled in a reversible way.
从那以后，人们又发现了许多其他的例子；因此，“进化几乎是不可逆的”这一说法就不再有意义了。
Since then, so many other examples have been discovered that it no longer makes sense to say that evolution is as good as irreversible.
这种混合物是不稳定的，会迅速重新排列成一种稳定但仍然可逆的物质，这种物质被称为阿马多里产物。
This combination is unstable and quickly rearranges itself into a stabler, but still reversible, substance known as an Amadori product.
你也不能让它变得更好，因为化学物质一旦发生变化，是不可逆的。
You can't make it better, either, because once chemicals change, they can't be changed back again.
相比之下，最近的世界粮食价格上涨是由趋势造成的，除非趋势本身得以逆转，否则这种上涨是不可逆的。
In contrast, the recent surge in world grain prices is trend-driven, making it unlikely to reverse without a reversal in the trends themselves.
开发期间的所有更改都是可逆的。
每一步都不会是完全可逆的。
那么让我们继续，那么，有可逆的反应。
因为它是可逆的，所以可以正方向运行。
And now since it's reversible, we can run it forward or backward.
各种定义，学生：绝热过程是可逆的吗？
We're pretty much done with our definitions STUDENT: Was adiabatic reversible?
是可逆的，温度是变化的。
确认一些事情是可逆的，跳过会更容易些。
Recognizing that something is reversible, makes it easier to take the leap.
这是一个不可逆的过程。
矩阵是否可逆的两种。
一种约束，就是过程是可逆的。
这种派生是不可逆的且是一种信息的绝对丢失。
This derivation is not reversible and is a strict loss of information.
就像什么东西是几乎可逆的，或几乎不可逆的。
Like something is almost reversible and almost irreversible.
一些电池是基于一些可逆的化学反应。
Some batteries are based on an underlying chemical reaction that can be reversed.
但它也是可逆的。
好的，让我们再试试，有多少人认为这是可逆的？
All right, let's try again. How many people vote that this is reversible?
死亡是可逆的。
当然在可逆的情况下，外压力，总是，等于内部压力。
Of course in the reversible case, you're always pushing against an external pressure, which is essentially equal to the internal pressure.
不是所有的过程都是可逆的，其中有一个过程不可逆。
that instead of all the steps being reversible, let's just put in one irreversible step.
假设它是不可逆的。
现在来在，不可逆的条件下，完成相同的实验。
OK, so now we're going to do the same kind of experiment, but irreversibly. An irreversible adiabatic.
同时，医疗，可以在任何时候解决，相关的问题不是可逆的。
Health care, meanwhile, can be fixed at any time-the relevant problems are never irreversible.
如果取消行动会怎样？确认一些事情是可逆的，跳过会更容易些。
What happens if you back out? Recognizing that something is reversible, makes it easier to take the leap.
如果取消行动会怎样？确认一些事情是可逆的，跳过会更容易些。
What happens if you back out? Recognizing that something is reversible, makes it easier to take the leap.
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