So there's all sorts of things like that, where we have these indirect measurements.

所以有很多这样的情况，们只能进行间接测。

There's some circumstances where an estimate or indirect measurement would make more sense.

在某些情况下，采用估算或间接测法会更合适。

However, the distances to the galaxies are not very well known because we can only measure them indirectly.

然而，到星系的距离并不是很清，因为们只能间接测它们。

So I think in this, when we're thinking about indirect measurement, I think then you kind of naturally get into the use of estimates and estimation uncertainty.

所以认为，在考虑间接测，们自然会涉及到估计及其不确定性。

So the visualization is try to measure it directly, but these other methods are trying to measure it indirectly.

所以可视化是尝试直接测它，但这些其他法试图间接测它。

I wondered if we could just say, some researchers have tried indirect measurements.

想知道们是否可以说，一些研究人员已经尝试了间接测。

So maybe should we talk a little bit about indirect measurement then?

那么们是不是应该稍微谈谈间接测呢？

So some researchers have tried indirect measurements including, let's just go right into what types of indirect measurements they've tried, including and then, I've set this up, indirect measurements that's nouns.

所以一些研究人员已经尝试了间接测，包括，让们直接看看他们尝试了哪些类型的间接测，然后，已经设置了这个，间接测，即名词。

Now when you get to the next paragraph I was slightly confused, because the next paragraph is also about indirect measurements.

现在，当你进入下一段，有点困惑，因为下一段也是关于间接测的。