“directly heated cathode”的概念、定义、翻译、参考文献-科学参考

单词	directly heated cathode
释义	directly heated cathode [dǝ¦rek·lē ¦hēd·ǝd `kā´thōd] See <<filament>>
随便看	Pegasidae Pegasiformes Pegasus peg count meter pegging rammer peg graft pegmatite pegmatitic stage pegmatitization pegmatoid pegmatolite peg model Peierls-Nabarro force Peirce stroke relationship Peisidicidae Peking man PEL pel pelagic pelagic limestone pelagism pelagochthonous pelagosite pelargonic acid pelargonidin

科学参考收录了103327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。