“Test of English as a Foreign Language”的概念、定义、翻译、参考文献-科学参考

单词	Test of English as a Foreign Language
释义	Test of English as a Foreign Language Encyclopedia 文学〔英语考试〕释 Test of English as a Foreign Language；TOEFL托福考试美国教育考试服务中心主管的一项评定非英语国家考生英语水平的标准化考试。教育学美国教育制度释 Test of English as a Foreign Language;TOEFL托福考试美国专门用来测试非英语国家学生英语水平的标准化考试。音译为托福。
随便看	p n junction p-n junction pn junction pn junction barrier PN-junction breakdown PN junction capacitance pn junction capacitance pn junction diffusion region PN junction diode pn junction electro luminescence pn junction electro-luminescence p n junction laser p-n junction laser pn junction laser PN junction photodiode pn junction reverse saturation current PN LED p-normal group PN or PIN detector materials PNPN thyristor PNPN闸流管 P-NP problem p-n-p transistor pnp晶体管 P-NP问题

科学参考收录了854744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。