“难词词典”的概念、定义、翻译、参考文献-科学参考

单词	难词词典
释义	难词词典 Encyclopedia 文学词典释 dictionary of difficulties; dictionary of hard words难词词典早期词典编纂的一种主要类型，针对有一定理解和使用难度的语词进行必要的解释。
随便看	low explosive train (pyrotechnic train) low extraction drug low fertility trap Low-Fidelity Prototype low fidelity prototype low field magnetic stimulation low flow low flow forecasting low flow investigation low flow sampler low frequency low-frequency amplifier Low Frequency Array low frequency decrease load low frequency disturbance processing low frequency exciting force low-frequency filter low frequency fluctuation low frequency impulse electrotherapy low frequency noise low frequency radio astronomy low-frequency radio telescope low-frequency resonance low frequency signal tester low frequency zonal Flow

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。