Specifically, Cisco sees the Atom Smasher within Earth-Two, which intersected with their world through the wormhole that opened in the finale.

确切的说，西斯科看到原子粉碎者在二号地球上，通过最后打开的虫洞与他们的世界联系起来。

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According to its proponents, a proposed new style of aircraft could, by skimming along the top of the atmosphere, fly between most points on Earth in under two hours.

根据其支持者的说法，一种新型飞机掠过大气层，可以在两小时内飞到地球上的大多数点。

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This similarity in density has long prompted speculation that the Moon split away from a rapidly rotating Earth, but this idea founders on two observations.

长期以来，这种密度上的相似性促使人们猜测月球是从快速旋转的地球上分裂出来的，但这种想法创始于两次观测。

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The agreement sets targets to prevent the Earth's average temperature from rising more than two degrees Celsius above pre-industrial levels.

VOA: special.2009.12.26

NASA scientists say the Earth-like planets are among one thousand two hundred thirty-five possible planets orbiting other stars that have been discovered so far.

VOA: special.2011.02.09

"Forty-two percent of the earth's population live in areas where malaria transmitting mosquitoes exist.

VOA: special.2009.12.07

They flew on two suborbital and four Earth-orbital Mercury launches, nine Earth-orbital Gemini flights, two Earth-orbital Apollo tests, and two lunar-orbital tests that made those lunar surface landings possible.

FORBES: Neil Armstrong's Immortal Footprint

It recommended using geometric lines of latitude and longitude to convey a three-dimensional Earth on a two-dimensional surface, and it included the co-ordinates of over 8, 000 locations in the ancient world.

ECONOMIST: There is no such thing as an objective map

Friends of the Earth and Greenpeace, two environmental-lobbying groups, have given warning that biofuels may not be as eco-friendly as they seem.

ECONOMIST: Worries over biofuels could work to Britain's advantage