英语词汇“potentially hazardous asteroid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	potentially hazardous asteroid
释义	potentially hazardous asteroid potentially hazardous asteroid [pə‚ten·chə·lē ‚haz·ərd·əs ′as·tə‚rȯid] (astronomy) An asteroid whose orbit approaches within 0.05 astronomical unit of the earth's orbit, and which is brighter than an absolute visual magnitude of 22.0, corresponding to a diameter of at least 110-240 meters (360-800 feet). See PHA See PHA
随便看	rayleigh quotient iteration rayleigh range rayleigh ratio rayleigh reciprocity theorem rayleigh refractometer rayleigh resolution limit rayleigh-ritz method rayleigh-ritz process rayleigh scattering rayleigh scattering of moessbauer radiation rayleigh-schroedinger hartree-fock perturbation theory rayleigh-schroedinger-moeller-plesset perturbation rayleigh-schrödinger perturbation theory rayleigh's criterion rayleigh's criterion of resolvability rayleigh's dissipation function rayleigh's law rayleigh's law of magnetization rayleigh-taylor rayleigh-taylor instabilities rayleigh-taylor instability rayleigh test rayleigh wave rayleigh waves rayless

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