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- Take an active part in activities such as forestation, sand prevention and control, closing mountains to facilitate forestation, and returning reclaimed land and forests and grassland. 参加植树造林、防沙治沙、封山育林、退耕还林还草等工作。
- wind-brown sand prevention and control 风沙防治
- Sands Prevention and Control of Zhangjiakou City 张家口市的防沙治沙
- Should Pets Be Killed to Prevent and Control SARS? 宰杀动物可以预防和控制非典吗?
- Discussion on Management and Guarantee Measures for Carrying out Sand Prevention and Control Project surrounding Beijing 浅析实施环北京地区防沙治沙工程的组织管理与保障措施
- Study on Chemical Prevention and Control of Solidago canadensis L. 加拿大一枝黄花化学防除研究。
- Through analysing and studying on the causes of sand plug and scaling for electric submersible pump,the sand prevention and scale control electr... 经室内试验后在现场部分含砂结垢严重的油井中应用并获得成功。
- Sand prevention and control 防沙治沙
- The current Law on Water Pollution Prevention and Control was enacted in 1984. 当前采用的水质污染预防及控制法是1984年颁布的。
- Physical means of prevention and control, including man-made trap, trapping light, screen door, screen window, air brattice, adhesive cardboard, mechanical digging and sand insulation, can effectively block and annihilate pests. 可利用人工诱杀、诱光灯、纱门纱窗、风帘、害虫粘纸板条、器械挖巢和沙粒杜绝等物理防治措施及方式,能有效阻隔与防止害虫入侵和灭杀。
- Third, we strengthened the prevention and control of environmental pollution. 三是强化环境污染防治。
- Achievements have been made in desertification prevention and control. 防沙治沙工作取得积极效果。
- Effects of solid water and foliar fertilizer on afforestation survival and growth of seedlings in sand preventing and controlling 固体水、叶面肥在防沙治沙抗旱造林中对苗木成活及生长的影响
- Third,we strengthened the prevention and control of environmental pollution. 三是强化环境污染防治。
- Study on Prevention and Control of Puccinia spp. In Festuca rubra L. 羊茅锈病发生与防治的研究。
- The situation and causes of sand storm occurred in A La Shan league are analyzed,the countermeasures of ecological environment recovery and prevention and control of sand storm are proposed. 本文重点介绍阿拉善沙尘暴发生的基本情况并对成因进行了分析,最后提出恢复生态环境防治沙尘暴的频频垄击。
- People's governments at various levels shall take measures to strengthen the rehabilitation of small river basins,control hazards of sand storms,prevent and control soil erosion and desertification. 各级人民政府应当采取措施,加强对小流域治理,控制风沙危害,预防和治理水土流失、土地沙化。
- People's governments at various levels shall take measures to strengthen the rehabilitation of small river basins, control hazards of sand storms, prevent and control soil erosion and desertification. 各级人民政府应当采取措施,加强对小流域治理,控制风沙危害,预防和治理水土流失、土地沙化。
- The governmental department charged with the regulation and control of the affairs of a community, now chiefly the department established to maintain order, enforce the law, and prevent and detect crime. 警察局负责约束和管理一个社区事务的政府部门,现在被建立主要是用来维持秩序、执行法律和防止和侦破犯罪行为的部门
- The correct method of prevention and control should naturally start with the improvement of the hydrological environment. 正确的防治办法,自然应该从改善水文环境入手。