| 单词 | sustained yield | 
| 释义 | sustained yield [sǝ`stānd `yēld]  BIOLOGY In a biological resource such as timber or grain, the replacement of a harvest yield by growth or reproduction before another harvest occurs.  | 
	
| 随便看 | 
	
  | 
	
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。