right ascension
Relating to chemonociception
(pharmacology) Synonym of etynodiol.
(nautical) Initialism of nautical mile. / (athletics) Abbreviation of no-mark.
(astronomy) The angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude.
望遠鏡の追尾システムは長時間露光中に星の赤経を補正して、安定した像を維持する。
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