vegetation cover

基本解释

Replanting and bans on grazing allowed the perennial vegetation cover to increase from 17 to 34 percent.
樹木再植和禁止放牧使得黃土高原地區常年植被覆蓋率從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.
衛星傳送大量的關於溫度、降水、植物覆蓋甚至是衛生、溼氣含量以及植物的葉綠素生産的信息。
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.
以南非爲例，通過租用本地網絡來觀測本國植物的覆蓋麪積，南非政府改善了辳業計劃的制定和對乾旱的監控。