“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	fundamental system fundamental system of equations fundamental system of neighborhoods fundamental system of neighborhoods (of zero element) fundamental system of neighborhoods of zero element fundamental system of solutions fundamental tensor fundamental test fundamental tetrahedron fundamental theology fundamental theorem fundamental theorem for surface theory fundamental theorem of algebra fundamental theorem of algebraic K theory fundamental theorem of algebraic K-theory fundamental theorem of arithmetic fundamental theorem of a symmetric polynomial fundamental theorem of calculus fundamental theorem of curves fundamental theorem of directly similar figures fundamental theorem of Galois theory fundamental theorem of Gaussian quadrature fundamental theorem of genera fundamental theorem of ideals fundamental theorem of number theory

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