“second generation”的概念、定义、翻译、参考文献-科学参考

单词	second generation
释义	second generation [`sek·ǝnd ´jen·ǝ`rā·shǝn] See <<F>>
随便看	pumping radiation pumping station pumping well pumpkin pump off pump oscillator puna punch punch card punched card punched-card accounting machines punched-card equipment punched-card field punched-card interpreter punched-card reader punched-card reproducer punched-card sorter punched-plate screen punched tape punched-tape reader punching punching rate punching station punching track punch knife

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。