livestock population 中文意思是什麼
livestock population
解釋
牲畜頭數- livestock : （總稱）牲畜
- population : n. 1. 人口；人口總數；全體居民；人口的聚居。2. 物的全體[總數]；【生物學】蟲口；種群（量）；群體；族，組，個數；【統計學】對象總體，全域。3. 【物理學】布居；密度。4. 〈罕用語〉殖民。
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At present, because of the increasing of population and livestock in pasture areas, the grassland area appeared serious degeneration and desertification. many grassland areas have not entered a self - sustaining, non - sustainable development phase that is to say the environment is non - sustainable and so does the ecology system and social economics
目前，由於草原牧區人口與牲畜的增多，導致草原退化、沙化嚴重，許多地區的草原已進入一個不能自我維持、不可持續發展的階段? ?環境的不可持續性、生態系統的不可持續性以及社會經濟的不可持續性。 -
Multiple comparison method and similarity coefficient method were developed to estimate population size of the giant panda. the chi - square testing was used to determine the relationship between the occurrence of pandas and the type and intensity of human disturbance. habitat selection of the giant panda and impacts of human disturbance, such as logging, livestock grazing, herb collecting, poaching, road building, were quantitatively analysed by habitat selection index of manly
同時還利用manly （ 1993 ）的選擇指數（ selectionindex ） ，定量分析王朗大熊貓對生物和非生物生境因子的選擇，特別是分析如採伐、放牧、采藥、偷獵、修路等人類干擾對大熊貓及其生境的影響，從而為保護區大熊貓的管理提供依據，將造成大熊貓瀕危的人類干擾降至最低。 -
On the basis of completing the research of the theoretic of agricultural production macro decision support system, the writer carries through the demonstration analysis research for chuangye farm, who has established the data houseware of agricultural production in chuangye farm, and has completed the the grain yield forecast, agricultural products " price index forecast, disaster changing forecast, industrial production structure assessment by using data mining system, the simulation of livestock ' s population change, analysis of input and output, and the establishment of model of industrial structure optimization. it settles the base for full information support to agricultural production macro decision of chuangye farm
在完成農業生產宏觀決策支持系統理論研究的基礎上，作者以創業農場為研究對象進行了實證分析研究，建立了創業農場農業生產的數據倉庫系統，並應用數據開采系統完成了糧食產量預測、農產品價格預測、災害變化預測等工作，應用模型管理系統完成了牲畜種群變化的模擬和投入產出分析，並建立了宏觀生產結構優化模型，為創業農場農業生產宏觀決策提供全方位的信息支持奠定了基礎。
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