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Gun·ter AHD[gŭnʹtər] Edmund (1581-1626) D.J.[ˈgʌntə]K.K.[ˈgʌntɚ]NONE(无词性)- English astronomer and mathematician who invented a surveying chain, quadrant, and scale and introduced the trigonometric termscosine and cotangent. 冈特,埃德蒙:(1581-1626) 英国天文学家和数学家,发明了测链,象限仪和标尺,并引进了两个三角学术语,余弦 和 余切
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