“R value in electron-positron annihilation”的概念、定义、翻译、参考文献-科学参考

单词	R value in electron-positron annihilation
释义	R value in electron-positron annihilation Encyclopedia 理学粒子物理学释 R value in electron-positron annihilation正负电子湮没中的R值正负电子对撞产生强子的零阶总截面与产生轻子对的零阶截面之比。
随便看	machine hearing machine industry machine information machine instruction machine intelligence machine interval arithmetic machine language machine learning machine-learning-based word sense disambiguation approach machine learning method machine-made carpet machine-made Copper Coin in modern China machine-made Silver Coin in modern China machine metaphor machine molding machine monograph machine-oriented language machine perception machine-readable archives machine readable catalogue format machine-readable catalogue,MARC machine-readable dictionary machine-readable documents machine-readable form machine reliability

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