“re-entry observation”的概念、定义、翻译、参考文献-科学参考

单词	re-entry observation
释义	re-entry observation Encyclopedia 工学﹝进入、下降与着陆﹞释 re-entry observation再入测量对再入体返回大气层时的弹道参数和特征现象的观测。
随便看	closed convex functional closed convex hull closed convex hypersurface closed convex set closed convex surface closed covering closed current closed curve closed-curve problem closed cycle closed cycle engine closed-cycle refrigerator closed differential closed differential field closed differential form closed differential relation closed disk closed domain closed drain system closed-easy-axis closed economy closed ecosystem closed edge sequence closed edge train closed elastic drive

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。