“research and development”概念、定义、翻译-科学时代

单词	research and development
释义	请查阅research and development--research and development (R & D)
随便看	California bearing ratio (CBR) California bearing ratio tester California burclover California crude California culture area California current California current California halibut California laurel California Nebula California orange California pompano California poppy California redwood California rosebay California Security Breach Information Act California Theatre California wine Californicate californium neutron source californium（Cf） caligosis caligusiasis Calimala Guild of Florence calipash

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。