请输入您要查询的字词:

 

单词 quadrat
释义
quadrat

Statistics
  • Originally, a square wooden frame thrown on to the ground by, for example, botanists who wished to count plant species at random locations. Now used more generally to refer to a sampled area of space.


Biology
  • An ecological sampling unit consisting of a small square area of ground within which all species of interest are noted or measurements taken. Quadrats may be spaced over a larger area to form an overall view when a total survey would be impracticable, or they may be used to sample along a transect.


随便看

 

科学参考收录了60776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。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/25 2:06:07