astrodynamics
名词 n.
英文释义
名词 n.
- The study of the motion of rockets and spacecraft, usually from Newton's laws of motion, Newtonian gravity, and Kepler's laws
词源
Etymology tree
Proto-Indo-European *h₂eHs-
Proto-Indo-European *-tḗr
Proto-Indo-European *h₂stḗr
Proto-Hellenic *astḗr
Ancient Greek ἀστήρ (astḗr)
Ancient Greek ᾰ̓́στρον (ắstron)der.
English astro-
Proto-Indo-European *dewh₂-der.
Proto-Hellenic *dunamai
Ancient Greek δῠ́νᾰμαι (dŭ́nămai)
Ancient Greek δύναμις (dúnamis)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek δυναμικός (dunamikós)lbor.
French dynamiqueder.
English dynamic
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
Old English -as
Middle English -es
English -s
English -ics
English dynamics
English astrodynamics
From astro- + dynamics.
Proto-Indo-European *h₂eHs-
Proto-Indo-European *-tḗr
Proto-Indo-European *h₂stḗr
Proto-Hellenic *astḗr
Ancient Greek ἀστήρ (astḗr)
Ancient Greek ᾰ̓́στρον (ắstron)der.
English astro-
Proto-Indo-European *dewh₂-der.
Proto-Hellenic *dunamai
Ancient Greek δῠ́νᾰμαι (dŭ́nămai)
Ancient Greek δύναμις (dúnamis)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek δυναμικός (dunamikós)lbor.
French dynamiqueder.
English dynamic
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
Old English -as
Middle English -es
English -s
English -ics
English dynamics
English astrodynamics
From astro- + dynamics.
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数据来源: Wiktionary