Topographic maps show the northern hemisphere has much lower elevations than the southern, and can be depressed by several kilometers.

地形图显示，火星北半球海拔比南半球低很多，可能被压缩了好几千米。

He delivers a brief TED-style talk, while behind him we see a topographic model of what looks like blackened lunar crust.

他做了个TED风格演讲，在他身后，我们看到了个看似发黑月壳地形模型。

In sum, as far as geography is concerned, there are four recognizable and definable topographic regions in the United States.

总言之， 就地理言，美国有四个可识别和可定义地形区域。

Get lost for a little while, but not like lost, lost, because you can take topographic and offline maps with you.

迷路儿， 但不像迷路、迷路，因为你可以随身携带地形图和离线地图。

Here on the north side of the mountains, where it's relatively dry, and we have a lot of topographic relief, we have thawing permafrost.

在山脉北侧，那里相对干燥，我们有很多地形起伏，我们有融化永久冻土。

Sadly, it was already in darkness by the time New Horizons was able to capture it, so the images  aren't quite as clear as those of Wright Mons, but you can see it here in this colourized topographic  map.

可悲是， 当新视野号能够捕捉到它时， 它已经处于黑暗之中，所以图像并不像莱特蒙斯图像那样清晰，但你可以在这张彩色地形图中看到它。