Just a handful are close in size to our planet, and only a few of those may be rocky like the Earth, rather than gaseous like Jupiter or icy like Neptune.

只有少数星球在大小上接近于我们所居住的这颗行星，而且也只有这其中的少数可能像地球一样呈岩石状，而不是像木星那样呈气态状或海王星那样的冰状。

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Asteroids of this size pass close by Earth every six years or so, and there's a small chance one could hit Earth.

这样大小的小行星造访地球基本六年左右一次，也有小概率会撞击地球。

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The pool is not large enough to serve the workload, if average number of active threads is constantly close to maximum size of the pool.

如果活动线程的平均数时常接近线程池的最大大小，这说明该线程池太小，不足以满足工作量。

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And he says five of the planetary candidates are both close to the size of Earth and orbit in the habitable area of their parent stars.

VOA: special.2011.02.09

Verano is very close in size, appointments, price and appeal to Camry, and I suspect that many Verano shoppers will consider Camry before they decide on Verano.

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In fact, there are plenty of phones with screens that are dangerously close in size to the growing breed of smaller tablets such as the Kindle Fire, Nexus 7 and iPad Mini.

CNN: iPhone under assault from big-screen rivals

No securities market comes close in size to the U.S. But when it comes to investor appetite for risk, the flow chart shows fund managers have been more apt to remain invested in higher beta emerging markets than in the advanced economies, especially basket-case Europe which is now more riskier than any of the big emerging markets, both politically and economically.

FORBES: Emerging Market Equity Flows Remain Positive, Despite Sell Trend