We use those feature points that we tracked earlier to identify major planes in the scene.

我们用之前跟踪的特征要点去识别场景中的主平面。

Before we get started, I also should point out a new feature here on Youtube.

在开始之前，我还应该指出 Youtube 上的一项新功能。

Now just to orient you I'm going to point out a couple features.

现在，为了让您了解情况，我将指出几个功能。

They stood close together, leaning over the rustic balustrading which bounded the arbour on the outward side, and formed the crest of a steep slope beneath Elfride constrainedly pointed out some features of the distant uplands rising irregularly opposite.

他们靠得很近，倚靠在凉亭外侧的质朴栏杆上，形成了埃尔弗里德下方陡坡的顶部，勉强指出了对面不规则上升的远处高地的一些特征。