“eclipse year”的概念、定义、翻译、参考文献-科学参考

单词	eclipse year
释义	eclipse year [i`klips ´yir] ^ASTRONOMY The interval between two successive conjunctions of the sun with the same node of the moon's orbit, equal to 346.62 sidereal days.
随便看	fractional factorial experiment fractional gas-flow curve fractional horsepower motor fractional ideal fractional precipitation fractional quantum Hall effect fractional replicate fractional sampling fractional sine wave fractionating column fractionation fractionator fraction defective fraction in lowest terms fractoconformity fractography fracton fracton dimension fracture fracture cleavage fractured formation fracture dome fracture-plane inclination fracture pressure fracture strength

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