factor of reserve 中文意思是什麼
factor of reserve
解釋
儲備系數-
This study deals with butterfly diversity and assessing endangered species in natural reserve of baishuijiang in gansu province. the research includes field investigation, observation at certain time and places, captive breeding in experimental area, capture - recapture etc. the biology of four important butterfly species is studied, especially focusing on the natural population life table, habitats, population structure and mobility of byasa impediens. the population developing trend and key factor that result population decline and fluctuation of troides aeacus and byasa impediens are analysed
本文在甘肅白水江自然保護區碧峰溝通過野外調查、定點定時觀察、實驗地飼養、標記重捕等方法研究了碧峰溝的蝶類多樣性並進行了局部瀕危評估；研究了四種重要蝶類的生物學特性；對長尾麝鳳蝶的生境、自然種群生命表、種群結構、種群移動性進行了深入研究，並估測了各種種群參數，分析了種群發展趨勢。 -
The storage of soc in zhuanyaogou watershed was lower than the mean value of soc reserve in the loess plateau. the low content of soil organic matter was the limiting factor
1以無m深度內，磚窯溝流域土壤有機碳儲量低於黃土區平均有機碳儲量，說明流域的土城有機質含t偏低。 -
Then, two methods are applied to keep the diversified variety of colony : reserve two special units in new population and increase the mutation factor
針對遺傳演算法的群體多樣性過低的缺點。提出了兩種改進方法，使得群體始終充滿多樣性。 -
To restore the habitat of wild animals occupied by land exploitation, land use planning scenarios of the dawa delta, as part of the liaohe delta and part of shuangtaihekou national nature reserve, were designed with the scenarios approach and the evaluation ideas of ledess ( landscape ecological decision and evaluation support system ). the result showed that the land use had a great change during the ten years, with human disturbance as dominant factor
針對遼河三角洲大窪小三角洲部分的過度農業開發對野生動物生境的嚴重影響後果，運用預案研究方法和景觀生態決策與評價支持系統（ ledess ）的決策與規劃評價思想，對本區土地利用規劃進行了以野生動物保護為核心的退耕預案設計，並對其生態後果進行了空間模擬和評價。 -
Through using the method of document, interview investigation and statistics, this paper analyzes the strength performance of american participates in world gymnastics game and the concrete operation situation of american gymnastics, the author thinks there are two aspects cause the american gymnastics developing formidably : the sports preferential policy of the government, the commercialization operation in sports, the combine of sports and education in the training mechanism of reserve forces, as well as the developed sports media, they constituted the american gymnastics superior external environment ; gymnastics historical background, gymnastics association ' s benign operation, the trainer mechanism, athlete ' s selecting and raise mechanism, the organic synthesis of populace gymnastics and the athletics gymnastics, as well as the gymnastics mechanism unceasing reform and the consummation, they are promote the internal factor. of american gymnastics ' formidable
摘要通過查閱文獻資料、訪問調查、數理統計等方法，分析了美國參加世界體操大賽以來的實力表現及美國體操的具體運作情況，認為導致美國體操走強的因素主要包括兩個方面：政府對體育的優惠政策、體育的商業化運作、體教結合的后備力量培養機制、以及發達的體育傳媒，它們構成了美國體操優越的外在環境；體操的歷史背景、體操協會的良性運作、教練員機制、運動員的選拔與培養機制、大眾體操與競技體操的有機結合、以及體操機制的不斷改革和完善，它們成為促進美國體操走強的內部因素。
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