“集群灭绝”的概念、定义、翻译、参考文献-科学参考

单词	集群灭绝
释义	集群灭绝 Encyclopedia 理学古生态学释 mass extinction集群灭绝在一个相对短暂的地质时期内（通常不足100万年）及一个较广的地理范围内（通常是一个以上的地理大区），整个生态系统的多样性和个体数量出现突然的、异常的、大幅度的下降，甚至是遭受毁灭性的打击。
随便看	village-level survey village office Village Officer village of new harmony village planning village planning content village planning land classification village planning methods village planning system village protection forest village retention fee village road villager participation villager resettlement villagers agreement villagers assembly villagers' autonomous organization villagers' committee villagers convention villagers'self-governance villagers'will villages and small towns in China villages and towns construction village-to-town "village to village" satellite radio and television

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。