“normal tower”的概念、定义、翻译、参考文献-科学参考

单词	normal tower
释义	normal tower [`nȯr·mǝl `tau̇·ǝr] ^MATHEMATICS A tower of subgroups, G₀, G₁, . . . , G_n, such that each G_i+1 is normal in G_i, i = 1, 2, . . . , n - 1.
随便看	photoelectric effect photoelectric electron-multiplier tube photoelectric flame-failure detector photoelectric fluorometer photoelectric imaging photoelectric infrared radiation photoelectric intrusion detector photoelectricity photoelectric lighting control photoelectric liquid-level indicator photoelectric loop control photoelectric magnitude photoelectric photometer photoelectric photometry photoelectric plethysmograph photoelectric process photoelectric pyrometer photoelectric reader photoelectric reflectometer photoelectric register control photoelectric relay photoelectric scanner photoelectric smoke-density control photoelectric sorter photoelectric transmissometer

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