人均支出、每平方千米支出；

Its output per person and per square kilometre;

市区面积4844平方千米,建成区面积513平方公里.

Urban district area 4844 square kilometers built - up district area 513 square kilometers.

这个洲的面积超过4千4百万平方千米。

The continent covers more than 44 million square kilometers.

这是它跟曼哈顿的对比照，30平方千米，这就是这个城市的规模。

And that's what it looks like in comparison to Manhattan, 30 square kilometers, that's the scale of the city.

这个面积仅有1.91平方千米的微小的岛屿，人口不少于20，000。

This tiny, 1.91 square kilometers islet has a population of less than 20,000.

第一道安检处设在园区内，占地4.5平方千米，这里安检员会随机对一些游客进行检查。

The first barriers, located around a 4.5-square-kilometer area in the Expo zone, will subject random visitors to spot checks.

第一道安检处设在园区内，占地4.5平方千米，这里安检员会随机对一些游客进行检查。

The first barriers, located around a 4. 5-square-kilometer area in the Expo zone, will subject random visitors to spot checks.

两个小组说，这些非法行为导致了每年有一万六千平方千米的森林带损失，这些行为应该受到谴责。

The two groups say illegal activities are to blame for the loss of more than sixteen-thousand square kilometers of forest each year.

在水星的北极点上，信使号可一看到一片巨大的平原，这个一望无际的平原大约400万平方千米，约为美国大陆面积的一半。

At the north pole, the Messenger can discern a huge expanse of smooth plains some four million square kilometres in area - about half the size of the continental USA.