“node cycle”的概念、定义、翻译、参考文献-科学参考

单词	node cycle
释义	node cycle [`nōd ´sī·kǝl] ^ASTRONOMY The period of time needed for the regression of the moon's nodes to conclude a circuit of 360° of longitude; approximately equal to 18.61 Julian years.
随便看	deck log deck machinery deck roof deck stringer plate deck switch deck truss deckzelle declaration declarative macroinstruction declarative statement declinate declination declination axis declination circle declination compass declination difference declination of grid north declination variometer declining population declinometer declivity decode decoder decoder circuit decoding gate

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