“public domain book”的概念、定义、翻译、参考文献-科学参考

单词	public domain book
释义	public domain book Encyclopedia 文学公版图书释 public domain book公版图书著作权保护期届满的（或著作权人放弃著作权）、已进入公共版权领域的图书。即公共版权图书。
随便看	negative increment of a function negative index medium negative index of inertia negative infinity negative inotropic action negative integer negative ion negative ion mass spectrum negative ion mode negative jump negative K group of a ring negative K-group of a ring negative K-theory negative kurtosis negative leap second negative lens negative life event Negative likelihood ratio negative likelihood ratio negative limit point negative limit set negative list approach to foreign investment administration negative list management negative logic negatively definite

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。