數量差異 的英文怎麼說

中文拼音 [shǔliángchā]
數量差異 英文
quantity variance
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
  • 數量 : quantity; quantum; amount; magnitude; number
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行化分析,找出巖溶土壤肥力的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌及總)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”

    由於人類活動干擾強度加大,公路效應深度不斷擴展, 1976年為5km , 1988年為7km , 2003年達到11km ;受自然、社會條件的影響,不同路段的公路效應存在較大,甚至同一路段兩側效應也各不相同。 1976年至2003年,距公路不同距離范圍內的人口密度都在增加,且距離公路越近,人口密度越大、增長越快,人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明,人口密度
  3. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特性引物與真核生物通用引物對于擴增效果無較大,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  4. Estimates of risk aversion vary widely, and no quantitative guidelines are available.

    對于風險的躲避的估算具有很大的,而且也沒有適用的指標。
  5. However, it is not easy to incorporate large n concentration in gap due to the large differences in lattice structure ( gan belongs to wurtzite structure while gap zinc blende structure ) and in lattice constant ( ~ 20 % ) between gan and gap, which will lead to an extremely large miscibility gap

    然而要在gap中實現高濃度的摻氮並不容易。這主要是由於gap和gan之間較大的物理特性的,特別是晶格結構和晶格常,使得gap和gan存在較大的可混溶性間隙,從而難以生長高質的高摻氮的gap材料。
  6. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕度大、風速小、蒸發小、中下部樹皮保持濕潤的持續時間長;其為雌雄株蘚種,雌、雄器苞形態明顯,雌器苞多,雄器苞少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。
  7. In his view differences in adaptation are insufficient to create niches commensurate in number and kind.

    按照他的觀點,適應的不足以在上和種類上形成同的小生境。
  8. Differences in the size of eggs depend almost entirely on the amount of accumulated deutoplasm.

    卵子大小的幾乎完全取決于所積累滋養質的
  9. The ultrastructure of the hepatocyte in bufo bufo gargarizans cantor between pro - hibernation and initial post - hi be rnation was studied in this paper. the results show that : 1. the hepatocytes in pro - hibernation period have very plenty of glycogen granules, but nearly not glycog en granules in post - hibernation period ; 2. the hepatocytes in pro - hibernation peri od have very developed rough endoplasmic reticulum, but a few scattered dilatant rough endoplasmic reticula in post - hibernation period ; 3. the quantity of mitocho ndria, and the structure of nuclei and bile canaliculi in pro - hibernation period have not obvious difference from that in post - hibernation period ; 4. two types o f hepatocytes in pro - hibernation were found. the significance of the results men tioned above is also discussed

    冬眠前和出眠初期的中華大蟾蜍肝細胞的超微結構有如下特點: ( 1 )冬眠前肝細胞堆積有大糖元顆粒,而出眠初期幾乎無糖元顆粒; ( 2 )冬眠前肝細胞的粗面內質網非常發達,而出眠初期的粗面內質網不發達,常呈零散膨大; ( 3 )線粒體的,細胞核和膽小管的形態結構在這兩個時期無明顯; ( 4 )冬眠前肝細胞可分為兩種不同的類型.對上述結果的生理意義作了討論
  10. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現:西部地區年降水的空間分佈極不均勻,局地大;冬季絕大部分地區乾旱少雨,夏季雨豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,值上與冬季相無幾;我國雨最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。
  11. One approach is to use two nonfi - nancial measures in evaluating performance : the variance between the quantities of materials purchased and the quantities used, and the variance between maintenance procedures scheduled and mainte ? nance procedures performed

    一種辦法是在評價業績中使用兩個非財務度;采購的材料與所用材料和實際修理與預計修理的時間
  12. The comparison among each cylinder ' s quantity of inlet air was made using the average value of the max pressure of each cycle

    通過比較各缸壓力的最大平均值及其變動系,分析了各缸的進氣
  13. Flexible budget variances are differences between actual results and flexible budget amounts

    銷售數量差異是由於彈性預算中的業務與總預算中的業務不同而產生的
  14. Sales volume variances are differences between amounts in the flexible budget and amounts in the master budget

    銷售數量差異是由於彈性預算中的業務與總預算中的業務不同而產生的
  15. Accountants prepare a flexible budget to divide static budget variances into two broad categories : sales volume variances and flexible budget variances

    會計人員編制彈性預算時,將靜態預算分為兩大類:銷售數量差異和彈性預算
  16. Quality / quantity discrepancy : in case of quality discrepancy, claim should be filed by the buyer within 2 months after the arrival of the goods at the port of destination ; while for quantity discrepancy, claim should be filed by the buyer within 30 days after the arrival of the goods at the port of destination

    品質/數量差異:如有品質,買方應在貨物抵達目的港后的2個月內提出;若有數量差異,買方應在貨物抵達目的港后的30天內提出。
  17. In order to optimize parameters of sputter - depositeing used to manufacture silicon - based tm films in the next step, the dissertation analyses and explains the difference between the two surfaces of sputtered tini film from sputtering factors

    為優化濺射工藝參以用於后續的硅基tini薄膜制備,本文從工藝因素入手,對玻璃基濺射薄膜兩個表面的質進行了分析,並給出合理解釋。
  18. Data from two experimental sites demonstrate that the big difference in yields can be obtained by using different combinations of variety, fertilizer and plant population

    兩個試驗點的據顯示,採用不同的品種、肥料和密度組合能得到巨大產
  19. By comparing optimal target function, the paper shows a concise formula to the valuation of information. in the end, assuming the borrowing rate is bigger than saving rate, the paper provides explicit solutions to both logarithmic utility with partial information and power utility with full information by ito ' s formula other than the complicated dynamic programming. all of the strategies are suitable for operating online

    )公式,得到了最優投資決策的簡單計算公式,通過比較完備信息與不完備信息情形下投資者的最優目標函,得到了(內部交易者獲得的)信息價值的簡潔公式,從而給出了信息價值的精確度,並且該度值易於投資者操作使用。
  20. According to procedures and rules for arable land gradation and classification, the thesis make studies with taiyuan city jiancaoping country as study region. this region is a town ' s outskirts which have complicated terrain, differ greatly in land quality and contaminated arable land. the study has centred on the structural system of the index of the arable land gradation and classification, the definition and quantify of the ecological index, the divide of index ' s region and the foundation of data base which is based on mapgis for the arable land gradation and classification

    該項研究就是在此背景下,以太原市尖草坪區為研究區域,以《農用地分等定級規程》為技術依據,針對該區域地形復雜、城郊型特點明顯,土地質較大,土地污染現象嚴重等特點,重點對農用地分等定級指標體系的構建、生態環境指標的確定和化、指標區的劃分,以及基於mapgis支持下的分等定級據庫的建立和應用等開展了研究。
分享友人