“空气龄”的概念、定义、翻译、参考文献-科学参考

单词	空气龄
释义	空气龄 Encyclopedia 工学室内空气环境释 age of air空气龄空气自进入房间至到达室内某点所经历的时间。空气龄反映了室内空气的新鲜程度，可以综合衡量房间的通风换气效果，是评价室内空气品质的重要指标。
随便看	closed composition closed cone closed contour closed convex function 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

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。