“Dravidian family”的概念、定义、翻译、参考文献-科学参考

单词	Dravidian family
释义	Dravidian family Encyclopedia 文学达罗毗荼语系释 Dravidian family达罗毗荼语系主要分布在印度南部和中东部，其次在斯里兰卡北部、巴基斯坦、尼泊尔和孟加拉国，还包括马来西亚和新加坡等国。使用人口约2.6亿。又译德拉维达语系。
随便看	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 positive-operator valued measure POVM

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。