“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	process equipment for automotive assembly process equipment for machines assembly processes of firefighting command process evaluation process exclusive process factor process fault process field bus process flow of a small-scale water injection station process flow of injected water distribution for a single well with a single trunk pipeline process flow of injected water distribution for muti-wells with a single trunk pipeline process-focus process-focus layout process for chlorine and alkali production process for smelting lead process fraction nonconforming process gas chromatograph process hazard analysis process improvement process in a state of statistical control process-induced defects process industry field data bus and operating system process industry real-time performance management process information management process information management system

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。