“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	geocentric parallax geocentric phenomena geocentric position geocentric radiant geocentric system Geocentric Terrestrial Reference System geocentric terrestrial reference system geocentric velocity geocentric zenith geochemical anomaly geochemical background geochemical barrier geochemical baselines geochemical block geochemical classification of elements geochemical closed system geochemical comprehensive grade of land quality geochemical comprehensive grade of soil quality geochemical correlations geochemical cycle geochemical data processing geochemical data quality monitoring system geochemical diagram geochemical disease geochemical dispersion patterns

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