They used a special NASA camera and found that global leaf area had increased by 5 percent since the early 2000s.
他们使用了美国宇航局的一种特殊相机,发现自21世纪初以来,全球森林面积增加了5%。
The number of upper-air stations had been increased to 138 by the fall of 1980 over the area.
这一地区高空站的数量至1980年秋已增加到138个。
The area of Salinization land had increased of 24.24% from 1973 to 1990, this part of area converted mainly from natural vegetation and marsh reeds.
盐渍化土地面积从1973 - 1990年增加了24.24%,增长的面积主要来自于天然植被和芦苇沼泽。
应用推荐