“copper and zinc etching printing”的概念、定义、翻译、参考文献-科学参考

单词	copper and zinc etching printing
释义	copper and zinc etching printing Encyclopedia 文学铜锌版印刷释 copper and zinc etching printing铜锌版印刷使用铜或锌材料制成凸印版，进行印刷的方法。
随便看	unitary integral equation unitary invariant unitary irreducible representation unitary isomorphic unitary kernel unitary left module unitary linear operator unitary linear transformation unitary mapping unitary matrix unitary matrix model unitary modular group unitary module unitary multiperfect number unitary multiplet unitary multiplicative character unitary operator unitary organism unitary perfect number unitary polarity group unitary positive operator unitary projective representation unitary reflection unitary representation unitary representation of locally compact groups

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。