The system works on the principle that heat rises.

该项装置是按照热力上升的原理运转的。

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The heat rises from the land and vibrates down from the sun due to the tropical location of Hawaii so near the equator.

由于夏威夷所处的热带位置邻近赤道，热量从陆地上升及从太阳下来。

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Still having a concern is, "Mom says" it is a small company after all, after when the market heat rises, bigger competitor can take money to smash this one market for certain.

还有一个担心是，“妈妈说”毕竟是个小公司，当市场热起来之后，更大的竞争对手肯定会拿钱来砸这一市场。

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As the heat rises you're left with a partially heated room and a worrying burning smell.

ENGADGET: Dyson intros Hot AM04, aims to change the home heating game (video)

"For the most part, they're places that are already open and they're designated for when the heat rises, " said New York Emergency Management spokeswoman Judith Kane.

CNN: Heat wave sweeps across U.S. Northeast

Residents are advised to call 311 or to go to their city's website online to find cooling centers and to get further information on how to keep cool as the heat rises.

CNN: Heat wave sweeps across U.S. Northeast