“three calendars of the different first months”的概念、定义、翻译、参考文献-科学参考

单词	three calendars of the different first months
释义	three calendars of the different first months Encyclopedia 理学中国古代历法释 three calendars of the different first months三正三种不同岁首的历法。
随便看	upper series upper set upper side frequency Upper Silesia Coalfield upper singular exponent upper solution upper solution; supersolution upper-stage upper stage liquid rocket engine upper strong derivative upper subsemilattice upper sum upper surface upper tangent arc upper topological limit upper transit upper triangular group upper triangular matrix upper-trimmed subsequence upper type upper unitriangular matrix upper urinary tract infection upper urinary tract lithiasis upper value upper variation

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