“正负电子湮没中的R值”的概念、定义、翻译、参考文献-科学参考

单词	正负电子湮没中的R值
释义	正负电子湮没中的R值 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	mechanical advantage mechanical alloying mechanical alloying superalloy mechanical analog computer mechanical analogy mechanical and biological treatment of municipal solid waste mechanical and electrical equipment maintenance of hydro-generator unit mechanical and electrical equipment of pumping station mechanical and electrical servo system mechanical and physical recycle mechanical ashing mechanical asphyxia mechanical automation mechanical axis mechanical backup main flight control actuator mechanical behavior in cellular degeneration mechanical behavior in cellular degneration mechanical bionics mechanical bonding mechanical breakdown mechanical calibration kit mechanical-centrifugal speed governor mechanical character mechanical characteristics mechanical characteristics of rock mass

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。