“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	living cationic polymerization living cell living cell analysis living cell fluorescent imaging living consumption living/controlled radical polymerization living cost index living environmentalism living extraction technology living force Living forever in Burning Flames living fossil Living in a Thatched Cottage in Mountains Living in Fear living in health living irradiation living labour and materialized labour living law living level living macromolecule living manner Living newspaper living planet index living polymer living polymerization

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。