In ecological research, a 'strong' correlation often explains 50 percent of the variation.
在生态学研究中，‘紧密的’联系通常可以解释50%的变种。
2
Vegetation coverage is an important ecological parameter, possessing important significance to the global environment variation and monitoring investigation.
植被覆盖度是一个十分重要的生态学参数，对于全球环境变化和监测研究具有重要意义。
3
The successive variation in ecosystem service value of farmland in Miaodao archipelago from 1950 to 2000 is analyzed by using ecological and economics methods.