“machine-made Copper Coin in modern China”的概念、定义、翻译、参考文献-科学参考

单词	machine-made Copper Coin in modern China
释义	machine-made Copper Coin in modern China Encyclopedia 历史学中国古代钱币释 machine-made Copper Coin in modern China近代机制铜元中国近代由机器冲压生产的铜质钱币。
随便看	Laplace theory Laplace transform Laplace transformation Laplace vector Laplacian Laplacian comparison theorem Laplacian determinant Laplacian eigenmaps Laplacian equation Laplacian expansion Laplacian matrix Laplacian operator Laplacian plane Laplacian spectrum Laplacian surface Lapland La Plata Observatory lap number Lappajärvi crater lappa seed oil lapping lapping cloth lapping face seal lapping machine lapping mouthparts

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。