英语词汇“x-ray background”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	x-ray background
释义	x-ray background x-ray background [′eks ‚rā ′bak‚grau̇nd] (astronomy) Diffuse, almost isotropic x-radiation from beyond the solar system, believed to be the summed contribution of many unresolved sources. See XRB See XRB
随便看	asymptotic cone of acceptance asymptotic conical dipole asymptotic corrugated boundary condition asymptotic cramer-rao asymptotic cramer-rao (lower) bound asymptotic curve asymptotic diophantine approximation asymptotic direction asymptotic direction of arrival asymptotic directions asymptotic discrimination loss asymptotic dispersion rate asymptotic distorted wave asymptotic distribution free asymptotic effective energy asymptotic efficiency asymptotic energy analysis asymptotic equipartition property asymptotic expansion asymptotic expansions asymptotic expression asymptotic formula asymptotic freedom asymptotic giant branch asymptotic giant branch star

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。