basal area 中文意思是什麼
basal area
解釋
底面積；基域。-
Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us
本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。 -
The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew
運用改進模型對南方紅豆杉種群在不同海拔梯度的種群優勢度增長進行了探討，表明海拔790m處的南方紅豆杉具有較大的環境容納量，但增長速度不快，海拔990m處的南方紅豆杉種群環境容納量不高，但具有較大的增長速度，這可能與群落的發育階段不同有關，兩地海拔均為南方紅豆杉適宜的生長海拔高度，相比而言，海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高度更宜於南方紅豆杉種群的生長。 -
Taxus chinensis vsr. mairei population is very oblivious from seeding stage to mature tree stage. the patterns were consistant with the ecological and biological characteristics of form. taxus chinensis var. mairei which were valuable and rare and in severe danger. in this paper, logistic model and liu - logistic model were proposed to approach the growth dynamics of tree basal area of form. taxus chinensis var. mairei population
南方紅豆杉幼苗表現為較強的聚集分佈，除與種子的散布有關外，生境條件的差異是重要原因之? ，其它發育階段表現為明顯的隨機分佈，表明它在自然群落中分佈的概率很小，反映了南方紅豆杉珍稀瀕危的生態生物學特性和特徵。 -
The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm
以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。 -
( 4 ) the light evoked loca1 field potential with latency 20 ms could be recorded on the surface of visual area l of the rabbit. it was inhibited with latency l0 ms and duration 20 ms after electrical stimulation of the basal amygdala
O ）電刺激杏仁基底核可在兔視1區皮層表面誘發出一個局部場電位，其潛伏期僅為l 2ms ，表明這可能是經由單突觸直接投射的結果。 -
First, the thesis deal with seeply analysis on the supply situation of rural public goods in the west area, and expound that the reform deteriorate the level of rural public goods supply based on rural compulsory education, social security, public sanitation and basal establishment, taking example for c town, using contrastive and positive way ; secondly, this thesis explains the influence reason of the reform to rural public goods in the west area from several aspects such as local government, township government and farmers ’ supply ability to rural public goods and “ one project one discussion ”, the superior financial transfer payment and correlative institutional inform ; at last, some suggestions are given at the end of the thesis
本文首先分析了西部地區稅費改革前後農村公共產品供給的狀況，並以陜西省禮泉縣c鎮為案例，運用實證和對比的分析方法，從義務教育、鄉鎮公共醫療衛生、社會保障及基礎設施四個方面進一步闡明了稅費改革對西部農村公共產品供給產生的影響;其次從地方政府、鄉鎮和農民的農村公共產品供給能力以及財政轉移支付、 「一事一議」等相關配套改革幾方面分析了稅費改革對西部農村公共產品供給產生影響的原因。最後，針對以上原因提出若干政策建議。 -
( 7 ) in addition, the spontaneous discharge rate of 32 % ( n = 35 ) neurons was innuenced by the basal amygdaloid stimulation, 23 % and 9o / of them was inhibited and facilitated respectively ( 8 ) foiiowing electricai stimulation of the basal amygdal " the movement sensitivity of 25 % neurons ( n = 20 ) in visual area l was altered
）杏仁基底核的興奮性活動可使32 h習5 ）的視1區神經元自發放電水平發生改變，其中23神經元發放水平在刺激后一段時間內受到抑制， 9的神經元電活動顯著增強。作）電刺激杏仁基底核對兔視1區25加《 0 ）的神經元運動敏感性產生影響。 -
The dissertation endeavors to identify, probe and develop new theories and tools that will work in digital time in scm area by systematic studies. on the basal theories of scm and e - business, analyzes the difference of scm in environment of e - business with traditional environment, puts forward the method, principle and step of designing and constructing of supply chain in e - business, probes into the collaboration management of supply chain from two aspect, one is hard road, another is soft road
從供應鏈管理和電子商務的基本理論出發，分析了電子商務環境與傳統商務環境下供應鏈管理的差異；提出了電子商務環境下供應鏈設計與重構的方法、原則和步驟，指導企業設計適合自己的供應鏈；對電子商務環境下如何實現協調運行展開分析，從軟約束和硬約束兩個方面來探討供應鏈的協同管理問題。 -
Through basal theory and experiment discussions, the following are obtained : there is a distinct difference more than 150 between the combustion exothermic reaction of coal and the decompounding endothermic reaction of caco3, which is the main component of crm, while few thermal reactions happen during the area of such difference in the crm without coal ; there is a one - to - one relationship between dta curve acreage and crm heat
論文通過基礎理論和試驗探討，得出煤燃燒放熱效應與生料主體成分caco _ 3分解吸熱效應之間有150以上的溫度差，對應白生料在差熱儀特徵峰溫度區間基本沒有熱效應， dta曲線峰面積與生料熱之間存在明顯的單一對應關系，從而提出用差熱法測定生料熱的設備開發思想。 -
( 5 ) the light evoked response of single cells in visual area l was inhibited or facilitated by eiectrical stimulation of the basal amygdala
電刺激杏仁基底核對兔視1區光誘發局部場電位具有抑制作用，槽伏期為10ms ，時程為20ms 。 -
We research the theory of distribution channels in the treatise, and research the status in quo of china retail trade. we conclude the characteristics and the development trend between traditional channel and modern retail channel, and find the channel conflicts due to the competition. we discuss the influence that the channel conflicts bring on, and the management of the channel conflicts ; next, we analyze the status quo of the cosmetic ( skincare ) trade, introduce the foreground of the cosmetic trade, discuss the characteristics of the cosmetic distribution channels, do the basal work for the improvement of the brand n ' s distribution channels ; third, we study the actualities of t company ' s distribution channels, and find the limitation and improvement area about the brand n. we introduce the detail of t company ' s distribution channels and how to management the channels conflicts
本論文通過渠道理論的研究，探討中國零售業態的現狀，總結了目前中國傳統零售渠道和現代零售渠道的各自特點和發展趨勢，以及他們相互競爭而產生的種種渠道沖突，這些渠道沖突對製造商、渠道成員、品牌發展產生的影響及如何有效的管理沖突；其次通過化妝品（護膚品）行業的現狀分析，介紹了化妝品（護膚品）的市場發展前景，化妝品（護膚品）行業的營銷渠道特徵，為後面的n品牌營銷渠道的改進打下了良好的基礎；第三，客觀分析了n品牌及t公司的營銷渠道現狀以及對n品牌發展的限制，介紹了t公司的營銷渠道沖突及t公司的管理方式。
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