...线上从原点向右(或上)为正方向,从原点向左(或下)为负方向; (3)选取适当的长度为单位长度。 6.相反数(opposite number):绝对值相等,只有符号不同的两个数叫做互为相反数。
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双方相应的队员 opposite number 票据的相互承认 reciprocal recognition of negotiable instruments ..
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同义词: counterpart vis-a-vis
以上来源于: WordNet
N-COUNT Your opposite number is a person who has the same job or rank as you, but works in a different department, firm, or organization. 职位相当的人; 地位相当的人 [英国英语] [journalism]
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