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Bar (unit) - Wikipedia, the free encyclopedia

The bar is a metric (but not SI) unit of pressure, defined by the IUPAC as exactly equal to 100 kPa.[1] It is about equal to the atmospheric pressure on Earth at sea level, and since 1982 the IUPAC has recommended that the standard for atmospheric pressur...

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披薩,一種全球流行的意大利美食,粉絲無數.. 進入各國各地每一家披薩店,人們總能看到那幾道萬年不變的經典款披薩,其中一種是: 夏威夷披薩(Hawaiian Pizza)。     夏威夷披薩,有些地方也叫鳳梨披薩,是將鳳梨切成小塊,和火腿片一起放在披薩麵餅上,最後再放...

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