“永久阴影区”的概念、定义、翻译、参考文献-科学参考

单词	永久阴影区
释义	永久阴影区 Encyclopedia 理学〔月球构造〕释 permanent shadow region永久阴影区在自转轴与其黄道面交角很小的天体的极区存在的常年未受阳光直射的区域。简称PSR。
随便看	blood pathogen inactivation blood perfusion blood perfusion imaging agent blood plasma blood platelet blood platelet disorders blood platelet of domestic animals blood pool blood pool imaging blood pool imaging agent blood pressure blood pressure measurement blood pressure measurement by auscultation blood product blood product control blood product depots blood products in war blood purification materials blood purification system ancillary device blood purification system and instruments blood purification technic Blood Relations blood routine examination blood routine examination in children blood serum

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。