“Pierce electron gun”的概念、定义、翻译、参考文献-科学参考

单词	Pierce electron gun
释义	Pierce electron gun Encyclopedia 工学电子枪释 Pierce electron gun皮尔斯电子枪采用美国工程师J.R.皮尔斯[注]提出的理论计算强流电子枪方法设计而成的电子枪。
随便看	family of cogenerators family of comets family of confocal conics family of conjugate prior distributions family of curves family of distribution functions family of distributions family of elements family of extremals family of finite dimensional characteristic functions family of finite-dimensional characteristic functions family of finite dimensional distribution functions family of finite-dimensional distribution functions family of finite dimensional distributions family of finite-dimensional distributions family of frames family of functions family of generators family of geodesics family of isogonal trajectories Family of Man family of mappings family of matrices family of nonclosed orbit family of operators

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。