ra nghĩa là gì trong Tiếng Việt?
Từ điển Anh Việt
ra
* danh từ
(vt của Royal Academy; Royal Academician) Viện Hàn lâm hoàng gia; viện sự Viện Hàn lâm hoàng gia
(vt của Royal Artillery) pháo binh hoàng gia
Từ điển Anh Anh - Wordnet
ra
ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods
Synonyms: Re
Similar:
radium: an intensely radioactive metallic element that occurs in minute amounts in uranium ores
Synonyms: atomic number 88
right ascension: (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
one hour of right ascension equals fifteen degrees
Synonyms: celestial longitude