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- Based on the current situation of grassland degradation of Tongde County, the causes of grassland degradation were analyzed and sustainable strategies for animal husbandry were provided. 在调查同德县草地退化现状的基础上,综合分析了同德县草地退化的原因,指出了同德县畜牧业可持续发展的策略。
- It is shown that mycorrhizal fungi is important in grassland ecosystem.It is concluded that maintaining the diversity of grassland is the key to prevent further degradation of grassland. 指出丛枝菌根真菌是草地生态系统中不可忽视的组成部分,在草原退化植被的恢复重建中起重要作用。
- The snowstorm swept the vast expanse of grassland. 暴风雪袭击了辽阔的草原。
- There is a reach of grassland in the distance. 远处是连绵一片的草原。
- An area of grassland unbounded by hedges or fences. 荒草地无栅栏或篱笆环围的草地
- SIDE CHAIN DEGRADATION OF BS BY MYCOBACTERIUM SP. 分支杆菌降解大豆甾醇侧链的发酵研究。
- The thermal degradation of PP/PVC mixture at 380? 对聚丙烯(PP)和聚氯乙烯(PVC)混合物在380℃下的热降解进行了研究。
- In 2001, the number of grassland fire is 547. 2001年共发生草原火灾547起。
- Light could accelerate the degradation of BA. 光照可加速溴乙酰胺的降解。
- THE INDIVIDUAL DISTRIBUTION PATTERNS AND SOIL ELEMENTS HETERO-GENEITY DURING THE DEGRADATION OF GRASSLAND IN ORDOS 鄂尔多斯草地退化过程中个体分布格局与土壤元素异质性
- In these conservation-conscious times, areas of grassland are no longer expendable. 在人们意识到应当保护自然资源的这个时代,草原已不容再受破坏了。
- The only serious stress is laid upon the degradation of Tahiti. 唯一严肃的地方是把塔希提岛奚落了一番。
- He looked ahead and saw a boundless stretch of grassland. 他放眼望去,只见一望无际的大草原。
- A Study on the Degradation of Bovine Pericardium in Vitro. 组织工程用牛心包材料体外降解规律的初步探索。
- Influence of Overgrazing on Soil Erosion of Grassland. 过度放牧对草原土壤侵蚀的影响。
- Discussing on the way about sustainable development of grassland. 对草原可持续发展途径的探讨。
- Theenzy-matic degradation of several substrates were studied. 研究了固定化酶的性能和对几种不同底物的作用情况。
- The moon's flame brightened the vast expanse of grassland. 月光照亮了广阔的草原。
- Grassland degradation of Tongde County was caused by both natural factors and human factors. 同德县的草地退化是自然因素和人为因素共同综合作用的结果。
- Degradation of grassland 草原退化