求翻译：作为养分过滤器的目的是为了改善整个流域的水质。根据所处位置与功能分：水体岸边缓冲带和防风或遮护缓冲地带两类，前者主要指建立在河湖、溪流和沟谷沿岸的各类林带或灌木林带，也包括建立在田边坡脚径流交汇地带的过滤带、缓冲带等。是什么意思？

As a nutrient filter is intended to improve water quality throughout the basin. Divided according to location and function: the water shore buffer zone and buffer zone protection cover wind or two, the former mainly refers to the establishment of the rivers and lakes, streams and valleys along the v

As nutrient filter is designed to improve the quality of water throughout the basin. Depending on the location and functions: water-shore wind buffers and buffer zone or cover two types, the former is mainly refers to the building on the banks of the river valley along Lake, streams and the types of

Is in order to improve the entire basin as the nutrient filter goal the water quality.According to locates the position and the function minute: Water body shore cushion belt and windproof or screening intermediate area two kinds, the former mainly refers to the establishment in the river lake, the

As nutrient filter aims to improve the water quality of the entire Valley. Depending on the location and function: water shore buffering and wind or screening buffer zone two, former major means in rivers and lakes, streams and valleys along the forest or shrub forest, also included the establishmen

As nutrient filter aims to improve the water quality of the entire Valley. Depending on the location and function: water shore buffering and wind or screening buffer zone two, former major means in rivers and lakes, streams and valleys along the forest or shrub forest, also included the establishmen