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- Soil Amelioration Techniques for Railroad Protection Forest 铁路护路林土壤改良技术应用试验初报
- railroad protection forest 铁路护路林
- Use recyclale paper is also a way to protect forest resources. 使用再生纸也是保护森林资源的一个途径.
- We must put in practice a strict land management system and measures to protect forest and grasslands. 坚决实行最严格的土地管理制度和保护森林资源的措施。
- Establishment of Cutting Orchard of Improved Variety for Coastal Protection Forest of Casuarina spp. 沿海防护林木麻黄优良品种采穗圃营建技术的研究。
- Study on Affection of Water Resources Protection Forest to Water Quality of Miyun Reservoir in Beijing, China. 北京密云水库水源涵养林对水质的影响研究。
- Protection Forest on sandy meadow was established by mixing broadleaf trees to raise stability of sandy meadow system. 为提高草沙地系统稳定性,采用阔叶树混交方式营建草沙地防护林。
- Chemical property of precipitation in Pinus tabuleaeformis water resource protection forest in Miyun Reservoir wa-tershed. 密云水库集水区人工油松水源保护林降水化学性质研揪。
- Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock. 生态环境林、城市防护林建设,天然林资源保护,水土保持,林业苗木生产及综合利用开发等。
- Discusses regional construction pattern of optimal protection forest system to esta-bilish a symbiosis relation between protection forest system and ecosystems. 生态经济型防护林体系建设模式系统就是体系的建立和优化发展的方法系统。
- A state environmental official, James L. Caswell, said that such logging would in general be intended to protect forest health and manage fire risks. 一个叫做JamesL.;Caswell的州环境官员说这种开采基本上会是出于森林保护和防火的目的。
- The results show that Populus simonii x nigra and Pinus sylvestris vat. mongolica protection forest can increase the soil waterstorage capacity in shelterbelt networks. 防护林可增加林网内土壤贮水量;
- Railroad trains and buses are public conveyances. 火车和公共汽车是公共交通工具。
- We walked as far as the railroad station. 我们走到火车站那样远的地方。
- A host of friend meet him at the railroad station. 一大群朋友在火车站迎接他。
- We will send the goods by railroad. 我们将用铁路运输货物。
- These lures are surrounded by nets and placed in open fields next to a protected forest in southern Brazil. 这些诱饵的四周张网围布,放置在南巴西的一个受保护森林旁的开阔地上。
- Have they broken ground for the new railroad? 他们有没有开工建造那条铁路?
- The railroad gives free transportation for a certain amount of baggage. 铁路免费运送的行李是有一定数量的。
- The main duties and responsibilities of a forest protection person are to patrol and protect forests and stop activities that damage forest resources. 护林员的主要职责是: 巡护森林,制止破坏森林资源的行为。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries