您要查找的是不是：
- optimal forest cover rate 森林覆盖率
- Why Does Our Forest Cover Rate Raise Year by Year but Soil Erosion and Desertification Get Serious? 为什么我国森林覆盖率逐年提高而水土流失和荒漠化却日益严重?
- Increasing the forest cover rate is the key of improving the climate of this district. 提高森林覆盖率是改善这个地区气候的关键。
- The area of artificial forestation, forest cover rate and forestry land were increasing steadily, but trees along the road and field were reducing greatly. 人工造林面积、森林覆盖率和林业用地面积平稳上升,但四旁植树株数下降幅度较大。
- The Statistical analysis of Forest cover rate and Soil erasion and Desertification 森林覆盖率与水土流失及荒漠化的数学模型
- Once forest cover does start increasing, the rate of extinction should dwindle. 一旦森林覆盖开始增加，灭绝的速度应该变小。
- The total forest cover of the earth is decreasing. 地球上森林覆盖的总面积正在减少。
- Luxuriant forests covered the hills. 山上长满茂密的树林。
- Percentage of forest cover in different historic periods of China. 中国历代森林覆盖率的探讨。
- Woodland forest cover of more than 90% canopy density of 0.8. 林地森林覆盖率达90%25以上，林冠郁闭度为0．8。
- Southern mountain forest cover in the main vegetation. 南部山区植被以森林覆盖为主。
- The paper summarized ecological programming study at home and broad and went through study of optimal forest ecological programming in Hainan province. 在对国内外生态规划研究综述的基础上,通过对海南省最优森林生态规划的研究指出:要使海南省林地、林木和森林环境服务的效益最大,必须调整用材林、防护林、特用林和竹林的面积比例。
- These forests cover a broad span of latitudes. 这些森林绵延在多个纬度上。
- Miaotai Scenic Region in Liuba County, Shanxi Province is situated in the southern slope of the Qingling Mountains.The forestry putting land account for 99.5%,and the cover rate of forest for 92.8%. 陕西留坝庙台子风景区属暖温带针阔混交林夏绿叶林带，林业用地占99.;5%25，森林覆盖率92
- Second growth forest covers a land of nearly 200 mu. 这片次生林大约有200亩。
- Planting and making forests is to raise the earth's vegetation plant cover rate. 植树造林，提高土地的植被覆盖率。
- Luxuriant forests covered the hillside. 山坡上长满茂密的树林。
- Testing evaluation, using testing cover rate and bug reports to evaluate a test. 测试评价，通过测试覆盖和缺陷报告等方法来进行测试评价。
- Remnants of the original forest cover, either scrub forest or well-developed woodlands, are still found in steep ravines. 在陡峭的深谷，仍有昔日森林的残迹，多为灌林或茂密林地。
- Forest cover in China now stands at 13 .92 percent,lagging far behind the world average level of 25 percent. 中国森林覆盖率为13.;92%25，与世界平均水平25%25的差距还很大。
