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- To permit animals to graze(vegetational cover) excessively,to the detriment of the vegetation. 使过度放牧让动物过度地吃(植物丛林),到了有害于植物的程度。
- To permit animals to graze(vegetational cover)excessively,to the detriment of the vegetation. 使过度放牧让动物过度地吃(植物丛林),到了有害于植物的程度
- To permit animals to graze(vegetational cover) excessively, to the detriment of the vegetation. 使过度放牧让动物过度地吃(植物丛林),到了有害于植物的程度
- The vegetation cover of Jiufu Mountain in Youxi County were studied. 本文对福建尤溪九阜山自然保护区植被进行初步研究。
- When cultivated and stripped of their dense vegetative cover, soils of the humid tropics quickly lose their fertility. 当将厚密的植被除去并耕种时,潮湿热带地区的土壤就会迅速失去其肥力。
- The warm climate of the southwest makes its mountains green and its waters emerald; the vegetation cover is lush. 温和的气候使 它山青水绿、植被丰茂,
- Predation risk, habitat type and vegetation cover are factors which affect animal dispersal of seeds. 捕食风险、生境类型、植被盖度均影响动物对种子的扩散。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- Over-grazing has damaged the vegetation cover of this area, and the land is beginning to show signs of desertification. 过度的放牧使该地区被覆遭到破坏,土地开始荒漠化。
- The result show: the vegetation cover is very low in Huanjiang, dongchuan, Puhe ect. 结果表明:流域北部的环江、东川、蒲河等子流域植被覆盖程度普遍较低,需要重点保护;
- Soil-cut slopes on hillside shall be minimised to reduce the visual impact and then planted up to re-establish the vegetation cover that was removed. 须尽量减少在山边开拓泥土削坡以减轻对景观的影响,并须随后栽种植物,使因工程而被清除的植物得以恢复原貌。
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- Vegetation cover maps of three different years (e.g. 1989, 1997 and 2003) were derived from the Landsat TM images for the city of Shanghai. 通过TM影像解译,获取上海市1989、1997和2003年共3个时期的植被分布,构造植被变化轨迹,分析轨迹的空间格局;
- Nongzhong loess hilly region is a brittleness ecology environment with a sparse vegetation cover and severe soil erosion. 陇中黄土丘陵区生态环境脆弱,历史时期人为活动强烈,导致生态环境退化与农牧交替频繁。
- The evaluation on stony desertification sensitivity mainly considered the factors of topography,geomorphology and vegetation cover. 石漠化敏感性评价主要考虑了地形、地貌、植被盖度因素;
- Fractional Vegetation Cover (FVC) is an important ecology parameter, which is essential in the studies of hydrology, ecology and global variation. 植被覆盖度是重要的生态学参数,对水文、生态、全球变化等研究具有重大意义。
- Accurate and rapid monitoring of vegetation cover condition is a key factor in ecological restoring and building of river catchment. 摘要快速、准确的获取流域植被覆盖状况信息是进行生态恢复与建设的重点。
- Fractional Vegetation Cover (FVC) is an important ecology parameter, which is essential in the studies of hydrology, ecology, and global variation. 摘要植被覆盖度是重要的生态学参数,对水文、生态、全球变化等研究具有重大意义。
- In the western and other ecologically fragile areas, a type of ecological land development, increase vegetation cover, reduce wind affected. 在西部和其他生态脆弱地区,应进行生态型土地开发,增加植被覆盖面积,减少风蚀沙化。
- The insurance cover is optional. 保险范围可以随意选择。