“外部观察”的概念、定义、翻译、参考文献-科学参考

单词	外部观察
释义	外部观察 visual observation
随便看	spotting-in spotting pistol spotting rifle spotting scope spotting spindle spotting tool spot trading spot transaction spot turn spotty bristle spotty steel spot value date spot watering at planting spot weld spotweld spot weld bonding spot-welded joint spot-welder spotweld fixture spot welding spot-welding electrode spot welding fixture (SWFX) spot welding gun spot-welding gun spot-welding machine

科学参考收录了1248194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。