Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
R开头单词
(共59,864个)
A metabolite of bupropion being investigated for treatment of restless leg syndrome and as an NDRI a...
A surname.
Radhanite.
plural of Radanite
A barangay of Piagapo, Lanao del Sur, Philippines.
A barangay of Piagapo, Lanao del Sur, Philippines.
radar
英 /ˈɹeɪdɑː/
In full primary radar: a method of detecting a distant object and determining its position, velocity...
A technique that uses radar echoes to examine bodies within the solar system, obtaining information ...
A two-dimensional chart of multivariate data, with three or more quantitative variables represented ...
plural of radar chart
A measure of the detectability of an object by radar.
plural of radar cross section
A device used by motorists, often mounted on the car's dashboard, to evade punishment for speeding; ...
A weatherproof enclosure used to protect a radar antenna.
plural of radar dome
A hand-held (or mounted) device that emits a radar beam and uses the Doppler effect to measure the v...
plural of radar gun
A critical area of performance for aircraft detection systems, defined by the distance at which the ...
plural of radar horizon
An image produced using a radar.