“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	UMS Umuganda Umut UMVUE Umweganregung Umweganregung(德) un- unabridged unabridged dictionary Unaccusativity Hypothesis unactivated unadjusted unadjusted coefficient unadjusted data unadjusted eye unadjusted sample moment unaffected creation of one's own accord unaffected equation unaflow Unagi unaided eye unaligned sampling unalloayed steels for automobiles unallocated space unalloyed building structure steels

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