“perigee-to-perigee period”的概念、定义、翻译、参考文献-科学参考

单词	perigee-to-perigee period
释义	perigee-to-perigee period [`per·ǝ´jē tü `per·ǝ´jē ´pir·ē·ǝd] See <<anomalistic period>>
随便看	down cutting downcutting downdip down-Doppler downdraft downdraft carburetor down-feed system downflow downhand welding downhole drill downhole equipment down-lead downlink down-load down lock down milling down quark downrange downrush Downs cell downslope time downspout Down's process Down's syndrome downstream

科学参考收录了103327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。