... 英国标准协会 British Standards Institution(BSI) 英国单位制 British system of units 英国单位制 British system of units ...
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british system of units detail 英国单位制
British absolute system of units 英国绝对单位制
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In opposition to the expanding plantation system of the British, they formed well-organized and efficient underground military units.
UNESCO: Intangible Cultural Heritage
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