“Quadrantids”的概念、定义、翻译、参考文献-科学参考

单词	Quadrantids
释义	Quadrantids [kwä`dran·tidz] ^ASTRONOMY A meteor shower whose radiant-right ascension of 15 hours and declination of +48° is in the constellation Boötes; velocity is 27 miles (43 kilometers) per second, and the strength is medium.
随便看	diffusion disk diffusion equation diffusion extraction diffusion flame diffusion gradient diffusion hygrometer diffusion kernel diffusion length diffusion-limited aggregation diffusion-limited current density diffusion number diffusion plant diffusion potential diffusion pump diffusion respiration diffusion theory diffusion-transfer process diffusion transistor diffusion velocity diffusion welding diffusiophoresis diffusive equilibrium diffusivity diffusivity analysis difunctional molecule

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