“navigational planets”的概念、定义、翻译、参考文献-科学参考

单词	navigational planets
释义	navigational planets [´nav·ǝ`gā·shǝn·ǝl `plan·ǝts] ^NAVIGATION The four planets commonly observed for obtaining data for use in celestial navigation: Venus, Mars, Jupiter, and Saturn.
随便看	free-water elevation free-water knockout free-water surface free wave freeze freeze drying freeze etching freeze-out lake freeze point freezer freeze sinking freeze-up freezing drizzle freezing level freezing-level chart freezing method freezing microtome freezing mixture freezing nucleus freezing point freezing-point depression freezing precipitation freezing rain Fregatidae F region

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