“three up three down”的概念、定义、翻译、参考文献-科学参考

单词	three up three down
释义	three up three down Encyclopedia 工学城乡规划（研究）方法与技术释 three up three down三上三下 2012年广州市“三规合一”工作中提出的市区联动和部门协调步骤的总结。
随便看	laser engraving Laser engraving technology in plate making laser enhanced ionization spectrometry laser-enhanced ionization spectrometry laser excitation laser excited atomic fluorescence spectrometry laser eyepiece laser fiber laser filter technology laser fission laser fission reaction laser-flash method laser flow cytometer laser flowmeter laser fluence laser fragmentation laser frequency laser frequency comb laser frequency conversion materials laser frequency stability laser frequency stabilization laser frequency stabilization technology laser frequency stablization principle laser frequency stablization technology laser frequency standard

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。