“Circular Coin with a Square Hole”的概念、定义、翻译、参考文献-科学参考

单词	Circular Coin with a Square Hole
释义	Circular Coin with a Square Hole Encyclopedia 历史学中国古代钱币释 Circular Coin with a Square Hole方孔圆钱中国战国时期齐、燕、秦三国的通行货币中有方孔的圆钱。
随便看	focusing X-ray telescope focusing γ-ray telescope focus in image space focus in object space Focus Interview Focus interview focus ion beam milling focus ion beam technology focus light focus negation focus of a conic focus of a curve focus of an ellipse focus of a parabola focuson FOCUS ON CHINA Focus on Datanews focus on what is central to a drama focus-out focus peaking focus plane focus point focus projection focussed focus sensitive operator

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。