var 中文意思是什麼

var 解釋
VAR = visual-aural (radio) range 【無線電】可見可聽式無線電航向信標,聲影顯示無線電航向信標。
var = volt-ampere reactive 【電學】乏,無功伏安。

  1. 5 ) the allzyome variety of adiantum reniforme l. var

    其次是與貫眾,生態位重疊值為0 . 3389 。
  2. It shows the genetic variety of adiantum reniforme l. var

    說明荷葉鐵線蕨的遺傳多樣性是比較低的。
  3. This demonstrated that the adaption ability of adiantum reniforme l. var. sinense y. x. lin is very strong

    說明荷葉鐵線蕨對環境的適應能力很強,具極強的生活力。
  4. The experiment uses adiantum reniforme l. var. sinense y. x. lin as material to understand its mating system through the research of ecology and genetics

    本試驗以荷葉鐵線蕨為材料,通過對生態學及遺傳學等方面的研究,了解其瀕危的可能機制。
  5. The different locus outcrossing rate of adiantum reniforme l. var sinese y. x. lin has great change in the same population, and the outcrossing rate difference of the same enzyme locus is also high in the different population

    荷葉鐵線蕨不同位點的異交率在同一居群內的變化很大,而不同居群間的同一酶位點的異交率差異也是較大的。
  6. There are five natural sample zones of adiantum reniforme l. var. sinense y. x. lin investigated, and recorded 34 species. 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations

    調查了5個自然樣地,記錄了34個伴生種,取10個優勢種進行種群生態位寬度與生態位重疊的計算。
  7. Adiantum reniforme l. var. sinense y. x. lin, which is the second grade national protection plant, is the special plant in three gorge of yangtze river. china. at present, it faces to die out, so it is extremely necessary to research its protection biology

    荷葉鐵線蕨( adiantumreniformel . var . sinensey . x . lin )是三峽庫區特有植物,為面臨滅絕的國家二級保護植物,對其進行保護生物學方面的研究很有必要。
  8. The anatomical structure of the aerial adventitious roots of taxus chinensis var. mairei. was investigated in this paper

    摘要對自然狀態下南方紅豆杉莖干向下萌生的氣生不定根進行解剖學觀察。
  9. Study on the chemical constituents of the volatile oil from aerial parts of isodon eriocalyx var. laxiflora

    疏花毛萼香茶菜揮發油化學成分的研究
  10. This is the first systematic taxonomic study that has been carried out on wild agarics under the woods of tsuga chinensis var. techekiangensis and pinus massoniana of wuyishan nature reserve

    傘菌是森林生態系統中的重要組成部分,武夷山自然保護區的菌物資源十分豐富,迄今為止尚未有人系統地對其做過研究。
  11. Efficacy and planting methods of aloe vera var. chinensis

    淺談蘆薈的功效及栽培方法
  12. Astragalus membranaceus bge. var. monghotlicus hsiao

    種子和它的2種混淆品蒙古黃芪
  13. Bacillus thuringiensis var. israelensis de barjac

    研究了蘇雲金桿菌以色列變種
  14. 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。
  15. 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。
  16. 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。
  17. 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。
  18. High - yield and high - quality cultivation techniques of capsicum frutescens var. fasciculatum

    中華壽桃豐產優質栽培技術
  19. Cardamom elletaria cardamomum linnaeus maton var. minuscula burkill. specification. part 2 : seeds

    小豆蔻.規范.第2部分:種子
  20. Cardamom elettaria cardamomu : linnaeus maton var. minuscula burkill. specification. part 1 : whole capsules

    小豆蔻.規范.第1部分:整囊
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