“海龟”的概念、定义、翻译、参考文献-科学参考

单词	海龟
释义	海龟 Encyclopedia 理学海龟释 sea turtle海龟龟鳖目海龟科绿蠵龟属的一种。别称绿海龟。
随便看	positive logical formula positive lossless storage positively definite positively definite form positively definite kernel positively definite matrix positively definite quadratic form positively graded module positively invariant subspace positively oriented base positively semi-definite positively stable point positively stable solution positive manifold positive map positive mapping positive mass conjecture positive matrix positive measure positive metric positive/negative helicity spinors positive number positive octant positive operator positive operator valued measure

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。