“National 1∶50000 Database Updating Project”的概念、定义、翻译、参考文献-科学参考

单词	National 1∶50000 Database Updating Project
释义	National 1∶50000 Database Updating Project Encyclopedia 工学〔专项工程〕释 National 1∶50000 Database Updating Project国家1:5万数据库更新工程以持续提高覆盖全国范围的比例尺最大、精度最高、信息最丰富的基础地理信息成果现势性为目标的动态更新。
随便看	laser condition laser conductive welding laser confocal microscope laser confocal microscopy laser control of chemical reactions laser-conversion efficiency laser cooling lasercooling laser crystals laser cutting laser cutting technology laser damage laser debris removing laser deep penetration welding laser desorption laser desorption ionization laser desorption ionization (LDI) laser destruction Laser detector laser diagnosis laser diagnostic devices laser die cutting laser differential absorption laser diffraction measurement laser diode

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。