词汇“perihelion”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	perihelion
释义	perihelionperihelion[ˌperiˈhi:ljən, -liən]n.1.■(pl. -helia[-hi:liE])【天】(行星或彗星运行轨道最接近太阳的)近日点; 极点, 最高点继承用法perihelion-distancen.1.■近日距
随便看	optical contour grinder optical correction optical correlator optical coupler optical coupling optical cross-section optical crown optical crown glass optical crystal optical curve grinding machine optical cycle optical damage optical data optical data handling optical data processing optical decoy optical defect optical delay circuit optical density colour optical depolarization optical depression optical designation optical designator optical detector optical detector technology

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