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- Modified Structure Disposition of Sand-break Forest System in Yulin Sandy Area in Northern Shaanxi Province 陕北榆林风沙区防风固沙林体系结构优化研究
- Yulin sandy area 榆林沙区
- At the bottom of the bay, in the sandy area, occasionally, huge Manta Rays, and often, leopard rays are seen resting on the sandy flats. 在海湾底部有沙的部分,有时你还会碰到在沙地上休息的大蝠鲼鳐和豹斑鳐,在这我们见过成群的圣海伦海?
- Seedl ings of P.sylvestris var.mongolica accumulated a l arge amount of dry matter during seedling ages,and fitted to grow in sandy area. 苗木在苗期积累了大量干物质,根系及径生长旺盛,樟子松在苗期非常适合沙区。
- The resources status of shrub in sandy area, production situation and development trend of panelboard made from shrub in sandy area were introduced. 叙述了沙生灌木资源状况以及沙生灌木材人造板的生产现状和发展趋势。
- The zoo is remodeling her indoor and outdoor spaces, making both about twice as large as before and adding a sandy area. 动物园为此特地对麦吉的生活空间进行了改造,把室内和室外空间都扩大了一倍,还增加了一块沙地。
- The growth condition and adaptability of bamboo are good in Coastal sandy area, but it has a bit of contrast on account of difference in adaptability. 五种竹子在滨海沙地的生长状况均较好,适应性较强,完全适合在东南沿海沙地种植,但因各竹子的生物学特性不同,生长状况也存在一定的差异性。
- Principal component analysis model of social assessment for shelterbelt project in sandy area is established based on reviewing social assessment on forestry ecological project. 摘要在对林业生态工程社会影响评价进行回顾和评论的基础上,建立风沙区防护林体系工程社会影响评价主成分分析模型。
- It is significant to assess the risk of aeolian sand disaster(ASD) in city for urban security and sustainable development in sandy area of northern China. 开展风沙灾害危险度评价研究,对促进中国北方沙区城市的安全与可持续发展具有重要意义。
- Abstract: In the paper,the biological effects of protective plantation of sparse woods on grassland and pastureland in the semi-arid windy and sandy area were studied. 摘 要: 对半干旱风沙区疏林式草牧场防护林的生物效益进行了研究。
- At the bottom of the bay,in the sandy area,occasionally,huge Manta Rays,and often,leopard rays are seen resting on the sandy flats. We've seen schools of opelu here that numbered in the thousands. 在海湾底部有沙的部分,有时你还会碰到在沙地上休息的大蝠鲼鳐和豹斑鳐,在这我们见过成群的圣海伦海?,数量可达上千只。
- L-324 of America black pop-lar and L-35, W-141, I-69 of Euro-American poplar are fit to the farm-shelter forest network of alluvial sandy area of old yellow river in Shandong province. 山东省黄河故道冲积沙地适宜于营造农田防护林网的优良无性系为美洲黑杨类的L-324,欧美杨类的L-35、W-141、I-69等。
- The precipitation data, from 17 station in sandy area in the mid-Yellow River, of recent 40 years have been used to analyze variational character of the precipitation and its distributing rule. 摘要本文采用黄河中游多沙粗沙区具有代表性的17个雨量站的近40年旬降水量资料,分析了其降水量变化的特点和分布规律。
- The main findings were as follows:1. The growth condition and adaptability of bamboo are good in Coastal sandy area, but it has a bit of contrast on account of difference in adaptability. 绿竹等9种竹子在滨海沙地的生长状况均较好,适应性较强,完全适合在东南沿海沙地种植,但因各竹子的生长适应性不同,生长状况也存在一定的差异性。
- Also, it is often possible to find a site which naturally lacks vegetation, such as exposed bedrock or sandy areas. 同样,可以寻找一个本来就很少植被的营地,如暴露的岩床或沙地。
- Also, it is often possible to find a site which naturally lacks egetation, such as exposed bedrock or sandy areas. 同样,可以寻找一个本来就很少植被的营地,如暴露的岩床或沙地。
- Pinus sylvestriformis and P. sylvestris have been introduced to Zhanggutai sandy area since 1981 aiming at the shortage of vegetation and unitary structure of tree species in Keerqin Sandland. 摘要针对科尔沁沙地治沙植物匮乏、树种结构单一等问题,自1981年开始,在章古台沙地引种长白松和欧洲赤松。
- He steered into the parking area. 他把车开进了停车区。
- I prefer a sandy beach to a shingly one. 我喜欢沙滩,不喜欢遍布小圆石的海滩。
- The slum area was sordid and filthy beyond belief. 该贫民区之污秽肮脏简直令人难以置信。