vegetation cover

基本解释

Replanting and bans on grazing allowed the perennial vegetation cover to increase from 17 to 34 percent.
树木再植和禁止放牧使得黄土高原地区常年植被覆盖率从17％提高到34％。
Satellites transmit copious information on temperatures, precipitation, vegetation cover and even the health, moisture content and chlorophyll-production of plants.
卫星传送大量的关于温度、降水、植物覆盖甚至是卫生、湿气含量以及植物的叶绿素生产的信息。
South Africa, for example, employs the local network to look at vegetation cover across the country. That helps the government with agricultural-planning decisions and drought monitoring.
以南非为例，通过租用本地网络来观测本国植物的覆盖面积，南非政府改善了农业计划的制定和对干旱的监控。