zhuì shù
意思解释:(Compose art)古代天文学的一种测算法。 亦作“缀述”。书名,算经十书之一。南朝齐祖冲之撰,六卷。《隋书·经籍志》着录,又见《律历志》。《南齐书》、《南史》中《祖冲之传》皆作“缀述”。唐王孝通《〈缉古算经〉进书表》谓为祖暅之作。唐代明算科用书十二种,中有《缀述》,学习年限为三年。该书久已失传,据《隋书·律历志》、《〈缉古算经〉序》和《九章算术》(李淳风注),《缀术》中可能有精密的圆周率,三次方程的解法和正确的球体积计算等成就。
古代考察星辰行度、气朔消长的方法。沈括《梦溪笔谈·象数二》: “前世修历, 多只增损旧历而已,未曾实考天度, 其法须测验每夜昏晓, 夜半月及五星所在度秒, 置簿录之, 满五年, 其间剔去云阴及昼见日数外, 可得三年实…
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