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light second

stresses
gen. световая секунда
light-second ['laɪt'sekənd]
astr. световая секунда (единица расстояния)
 English thesaurus
Light Seconds
unit.meas., abbr. LS
light second
: 10 phrases in 6 subjects
Astronautics1
Construction1
General2
Makarov3
Mathematics2
Programming1

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