What's the area of Canada in square kilometer?

加拿大的面积有多少平方公里？

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The game included three events: full marathon, half marathon and 5 kilometer mini marathon.

比赛包括全程马拉松、半程马拉松和5公里迷你马拉松三个项目。

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Men enter in 20-kilometer and 50-kilometer races; women only race 20-kilometers.

男子参加20公里和50公里的比赛；而女子只参加20公里的比赛。

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In some cases, the resulting paths of damage can stretch more than a kilometer wide and eighty kilometers long.

VOA: special.2010.05.11

A cubic kilometer of seawater, go into the ocean and imagine a box .

一千立方米的海水，想象一下一个体积为一千立方米的盒子。

麻省理工公开课 - 固态化学导论课程节选

You get that out of 1 cubic kilometer of seawater.

你能从一千立方米海水中得到这么多。

麻省理工公开课 - 固态化学导论课程节选

The 28% increase in cost per train kilometer was easily offset by the 78% increase in revenues.

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The accident occurred during a 130-kilometer (80-mile) journey that usually takes about three hours.

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But it averages a combined 67 mpg and just 83 grams of CO2 per kilometer.

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