-
River basin is a complex environmental system.
流域是一个复杂的环境系统。
youdao
-
Quantity"and "quality"are two basic features of large system of a river basin.
“水量”与“水质”是流域大系统的两个基本特征。
youdao
-
Quantity"and "quality"are two basic features of large system of a river basin.
“水量”与“水质”是流域大系统的两个基本特征。
youdao