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on grassland

"on grassland"的翻譯和解釋
例句與用法
  • Taking dry grassland and desert grassland as examples , we attempt to creat the optimized decision patterns of sustainable utilization of water resources , aimed at soling the problems of water resources shortage in pastoral areas and worsening ecological environment on grasslands
    摘要以干草原和荒漠草原牧區為典型,針對典型牧區水資源短缺,草原生態環境日益惡化等問題,建立了牧區水資源可持續利用優化決策模型。
  • Due to ignoring quarantine test on alfalfa seed that is introduced to other place and extensive alfalfa field management , the damage of dodder became more and more serious , the spreading area became more and more wide , the damage on grassland production became more and more serious
    近年來由于對引種苜蓿種子的檢疫檢驗重視不夠,以及苜蓿地田間管理粗放等原因,菟絲子的傳播范圍越來越廣,對草業生產造成的危害也日趨嚴重。
  • On the basis of describing the grassland resources and analyzing the current situation in china , the problems on grassland construction , protection and utilization were discussed , and corresponding policies and exploitation strategies on multi functional grassland , such as guarantee of food security , material supply , promotion of employment and net income , ecology protection , development of leisure and tourism grassland and heritage and innovation of ancient grassland culture were pot forward
    摘要著眼全局,突出重點,照應階段,借鑒經驗,從搶抓機遇的角度提出了積極開發草原的食品保障、原料供給、就業增收、生態保護、觀光休閑、文化傳承等功能的思路,以促進草原地區沿著生產發展、生活富裕、生態良好的文明發展道路前進,努力實現經濟社會又好又快發展。
  • The author studied the influences on grassland bird communities caused by disturbance in the dagang forestry center in jilin province during the period from april to july in 2001 and 2002 . the contents include : the influences on grassland bird communities structure caused by human activity in big scale ; the influences on grassland bird communities structure caused by grazing disturbance ; the influences for grassland bird communities structure caused by grazing disturbance ; the influences on grassland bird communities structure caused by habitat fragmentation . the main results are as follows : 1
    作者于2001年和2002年4 7月,在吉林省鎮賚縣大崗林場進行了干擾對草原鳥類群落結構形成的影響研究,研究內容包括:大尺度范圍人類活動對鳥類群落組成的影響;放牧干擾對草原鳥類群落結構形成的影響;火燒對草原鳥類群落結構形成的影響;棲息地破碎化對草原鳥類群落結構形成的影響,主要結果如下: 1
  • Accompanied by national , enterprise , and personal investment enhancement on grassland construction project on and on , analysis on feasibility of investment project scientifically has important practical impact and leading significance on decision correctly , improving investment beneficial , insuring the success of grassland construction project and sustainable development of cattle breeding industry
    隨著國家、企業和個人在草地項目上投資力度的不斷加大,科學分析項目投資的可行性,對于正確決策,提高投資效益,確保草地建設項目的成功進行和畜牧業持續健康發展具有重要的實踐作用和指導意義。
  • The result indicates that the precision of msavi method is 79 . 6 % , higher than that of supervised classification and unsupervised classification . such precision is able to meet the requirement of monitoring on grassland desertification at large scale based remote sensing data . all the study is based on tm images on 11th august 1987 and 9th august 2001 . the grassland desertification in the middle part of naiman of inner mongolia was taken as a detailed case study to discuss the discipline and driving forces of the dynamic of the grassland desertification during two periods
    采用上述研究方法,利用1987年8月11日和2001年8月9日兩時相的tm數據,對奈曼旗中部十個鄉鎮的草地沙化動態進行了分析,結果表明研究區草地嚴重沙化的總體趨勢得到控制,并且開始逆轉,生態環境建設已經產生了成效,但還存在著局部的惡化趨勢,草地沙化發展與逆轉并存,草地沙化防治的形勢依然嚴峻。
  • ( 2 ) runoff - yielding time on grassland with a higher cover ratio primarily depended on initial water content , and their relationship might be described by a power function too . surface crust could easily take place on bare land , so its runoff - yielding time primarily depended on rainfall intensity , and their relationship might be described by a linear function
    ( 2 )植被覆蓋度較高的荒草地,產流時間主要取決于初始含水量,兩者的關系可用冪函數描述;裸地因降雨產生地表結皮,產流時間主要取決于降雨強度,兩者的關系可用線性描述。
  • The habitats for moving about of great bustard are hillocks on grassland . and they prefer to move about on the valleies of grassland during their breeding season . there are 4 main vegetation characteristic factors that determine the nest - site selection , the factors are the vegetation canopy , vegetation density , food and the height of plant . the great bustard selects the areas with higher vegetation canopy , vegetation density , plant species and insect quantity . most height of plants are below 20cm , but we also found they move about in tall grass occasionally
    大鴇繁殖期活動棲息地為波狀起伏的草原漫崗地,多喜歡活動在海拔為170 300m左右,四周高、中間凹的漫崗凹地中。決定大鴇繁殖期棲息地選擇的主要植被特征因子共有4個,分別為植被蓋度因子、植被密度因子、食物因子和植物高度因子。大鴇多選擇在植被蓋度和密度較大、植物種類和昆蟲數量較多及多數植物高度在20cm以下,但又不乏高草的地方活動。
  • At the training session , li changping , deputy director of the sichuan provincial animal husbandry bureau , presented a special report on the development of animal husbandry in the pastoral areas and science and technology ; lan mingjian , another deputy director of the bureau presented a report on the strategy for the industrialized development of animal husbandry in sichuan province ; ze baisuo , president of the sichuan prairie research institute , presented a report on the sustainable development of grassland animal husbandry ; mr . bazil fritz , a canadian expert on grassland animal husbandry , gave a report on the canadian experience of sustainable development of grassland animal husbandry and the progress achieved in the sustainable development of grassland animal husbandry in hailar of inner mongolia autonomous region ; and professor zhang hong , head of the department of resource and environment of sichuan normal university , gave a report on the relationship between eco - construction and economic development throughout chinas drive to develop its western regions
    這次培訓為期3天。培訓由阿壩州委袁禮忠副秘書長主持。培訓會上,四川省畜牧食品局李昌平副局長作了“牧區畜牧業發展與科技”的專題報告省畜牧食品局蘭明建副局長作了“四川畜牧業產業化發展戰略”報告四川省草原科學研究院澤柏所院長作了“草地畜牧業可持續發展”的報告加拿大草原畜牧業專家巴圖作了“加拿大草原畜牧業可持續發展經驗和內蒙古海拉爾草地畜牧業可持續發展過程進展”的報告四川師范大學資源與環境學院院長張宏教授作了關于“西部大開發中生態建設與經濟發展關系”的報告。
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