“periodic perturbation”的概念、定义、翻译、参考文献-科学参考

单词	periodic perturbation
释义	periodic perturbation [¦pir·ē¦äd·ik pǝr·tǝr`bā·shǝn] ^ASTRONOMY Small deviations from the computed orbit of a planet or satellite; the deviations extend through cycles that generally do not exceed a century. ^MATHEMATICS A perturbation which is periodic as a function.
随便看	grid-plate capacitance grid-plate transconductance grid-pool tube grid prime vertical grid pulse modulation grid pulsing grid-rectification meter grid resistor grid return grid rhumb line grid spectrometer grid suppressor grid swing grid track grid transformer grid-type level detector grid variation grid voltage Griebe-Schiebe method Griebhard's rings Griess reagent Griffith crack griffithite Griffith's criterion Griffiths' method

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