類估算 的英文怎麼說

中文拼音 [lèisuàn]
類估算 英文
estimate class b b
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • : 估構詞成分。
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • 估算 : estimate; reckon (up)
  1. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  2. This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio

    Post等按照不同生物帶比較全面的了全球各種生態系統型的土壤碳氮密度和含量, mcelroy等利用土壤有機碳儲量和碳氮比來了全球土壤有機氮儲量。
  3. And a back - of - the - envelope calculation based on the 1. 8m sorts of organism recognised so far as species under the linnaean system, on the rate at which new species are being discovered and on such ecological matters as the average number of parasites ( themselves new species ) that each free - living species harbours, suggests the final total may be around 30m

    一個以三部分,即:在林耐分系統中迄今為止被認定是物種的180萬種微生物、新物種的發現速率和諸如在每個獨立生存的物種中藏匿的平均寄生蟲數量(它們本身也屬于新物種)等生態因素,為基礎的表明全球物種的總數是在三百萬左右。
  4. And similar methods have been used for the estimation of trans-olefines in lubricating oils and in gasoline.

    似的方法也用於潤滑油和汽油中反式烯烴的含量。
  5. All of above presents the data to study the algorithm which will be used to detect the targets against the broadened bragg lines. eigenstucture - based algorithms are used to realize bearing resolution on the basis of synthetically comparing several classical algorithms. first sea echo ’ s bearing prior knowledge is utilized to constitute project operator to constraint the noise subspace estimation with the use of constrained music algorithms, which largely increases the resolution and doa estimated accuracy

    為檢測海上目標的方位信息,在綜合分析比較各法的基礎上,本文採用特徵結構法來實現空間方位分辨中的constrainedmusic演法,此方法充分利用了海浪的方位先驗信息來構造投影運元約束噪聲子空間的計,大大提高了目標解析度和計精度。
  6. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    法首先將陣列接收的寬帶信號變換到頻率域,然後對于每個頻率形成陣列接收信號協方差陣,最後由該協方差陣的次對角線元素計寬帶分佈源的到達角,其主要特點是避免了相位展開。
  7. Very large data bases, brighton, england, 1987, pp. 507 - 518. 26 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc

    Iv在各種各樣的設置下利用合成的與真實的數據進行大量的實驗評實驗結果表明本文提出的演法在效率和擴展性上均大大勝過其它同法。
  8. All the bioeconomic parameters estimated from the dynamic equilibrium ecosystem will be definitely traced and reevaluated yearly in future to manage the resource efficiently

    針對本研究所生物經濟之各參數,未來應持續追蹤,並重覆修正,提升該資源經濟之管理效率。
  9. Moreover the cases of evaluating the fish resources in the upper yangtze river by using basic data were much less. this research evaluates the fishery status in the upper yangtze river by using commercial fisheries data of hejiang section from 1999 to 2002. the age, growth and mortality of rhinogobio ventralis which is endemic to the upper yangtze river have been studied also. moreover we have estimated the biomas s of rhinogobio ventralis

    本文是在實地調查的基礎上,結合水生生物流動監測站合江站1999 - 2002年的監測結果,對長江上游合江段的漁業捕撈現狀進行了評,研究了重要的經濟特有魚長鰭吻?的年齡、生長和死亡,並對其資源量進行了
  10. ( 2 ) the fishing gears in hejiang section were divided into drift trammel net, set longline and jig according to the fishery status in hejiang section. " number of fishing boat day " was selected as the unit of fishing effort. the annual catch of the four kinds of fishing gears was get from multiplying catch per unit effort ( cpue ) by fishing effort

    ( 2 )根據合江江段的漁業現狀,將該江段的漁具分為三層流刺網、餌釣、滾鉤和其它偶見漁具四,以「船?天」作為捕撈努力量的單位,用單位捕撈努力量漁獲量( cpue )乘以年捕撈努力量分別得到這四漁具的年漁獲量,並將這四漁具的年漁獲量相加出合江江段1999 - 2002年的漁獲量分別為104563 . 464kg 、 65564 . 231kg 、 123684 . 966kg和107285 . 272kg 。
  11. First, we study the algorithms of the classical music and root - music. compared with the classical music, root - music had less calculation consumption. and when the signals are coherent or correlated we have presented a modified music algorithm

    在music法中,比較了求根music和經典music演法,其中求根music演法相對于經典music演法大大減少了計量並提高了計精度。
  12. But in the past, it ' s always based on the experience to design the slewing frame, that is, by analogy or in terms of the principle of material mechanic to design the structure

    而過去對塔機回轉支承系統上、下支承座的設計主要是停留在經驗設計階段,大多採用比法,或簡單的材料力學來設計支承座系統結構。
  13. Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data

    摘要利用生物量轉換因子連續函數法,通過69組不同齡級的森林樣地實測數據,擬合了珠江三角洲主要森林型的生物量和蓄積量之間的回歸方程,並結合3個時段森林清查資料,了區域森林生物量及其動態。
  14. Specialized in assets appraisal and consultation. the main affair is to appraise and determine tangible assets including general - purpose mechanical facility and the equipment for special technical fields

    從事資產評專業咨詢,主要為有形資產價值的評定,包括各通用機械設備、專業技術設備等。
  15. The main researches of this dissertation are some algorithms for the estimation of direction of the signal ’ s arrival which are the critical technology of smart antenna

    本文研究的主要內容是智能天線中的關鍵技術之一,信號來波方向計( doa )的幾法。
  16. Rsp and voc ). it will also provide the methods for emission estimations, emission factor selection, and the collection, collation and validation of emission information of various emission sources, their emission characteristics and types of control measures

    的排放源別,並就不同排放源別的工藝、排放特性、防治措施分,提供有關的排放量方法、排放因子選取方法、排放活動資料的收集、整理和核實方法等。
  17. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況,研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律,利用annagnps模型流域農業非點源污染物輸入負荷,並在千島湖內設點采樣,對水質理化指標和浮游植物群落進行系統的研究,得出以下結論: 1989 2001年間的水環境常規監測資料統計分析表明,有毒物質和重金屬濃度長期在監測下限內, no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合標準,但湖泊水庫特定項目tn和tp濃度分別為超,呈嚴重超標狀況,湖區主要污染因子是將導致富營養化的物質tn和tp 。
  18. Based on the feature technology and object - oriented mechanism, we found the manufacture - oriented three levels ( namely part, feature and geometry ) model of mechanical part and the resource model ; secondly, we realize the concurrent design of mechanical part and process through decomposing cycle, and then we constitute the evaluation guidelines on the basis of evaluation strategy of levels, which carry out from two levels ( part and feature ) and four phases ( part rough evaluation, feature rough evaluation, feature detail evaluation and part general evaluation ) ; thirdly, we put forward some evaluation methods according the evaluation guidelines, which include the rule - based process evaluation method, rule - based and fuzzy evaluation - based method associated with resources, case - bas ed and feature - based cost estimation method ; at last, we give a manufacturing - oriented evaluation system of rotating mechanical part, which validate the evaluation guidelines and method of the dissertation useful and practical

    以特徵技術為基礎,面向對象的編程機制為手段,建立了面向製造的三層次(即零件層、特徵層、幾何層)零件模型;同時進行了面向製造的資源建模。第二,通過細化循環,採用分層遞階的評價策略,分兩層(零件層和特徵層)四個階段(零件初評價、特徵初評價、特徵詳細評價和零件總體評價)建立可製造性評價指標;第三,以評價指標為基礎,分別提出了基於規則的結構工藝性評價方法、基於規則和模糊綜合評判定性和定量相結合的加工可行性評價方法、以及基於實例和特徵的加工成本方法;最後,以solidworks為開發平臺, vb6為編程工具,初步構建了面向製造的回轉零件可製造性評價系統,它們驗證了本文評價指標和評價方法的實用性和可行性。
  19. Aiming at the concrete need in srttep construction and embodying the managing theory of the combination of the prearranging programming and comprehensive control, the article proposes the cpm - based schedule operating program of srttep on the basis of the relationship among schedule program, cost and quality which thus realizes the close combination of schedule program and project control ; based on the comparative analysis of experience estimation method, factor estimation method, wbs estimation method and comparison estimation method, the cost controlling strategy is worked out that attaches importance to the srttep cost budget and market economy situation. meanwhile, comprehensive quality management theory is introduced in the project " s schedule program. aiming at subsidiary project bidding, equipment purchase, essential quality inspection, detailed quality insurance system and rules are worked out so as to achieve the goal of high - quality construction of srttep

    ( 3 )針對川塔項目施工建設具體需要,在充分體現項目事前規劃與全面控制相結合管理思想和所進行的項目wbs結構分解基礎上,基於項目進度? ?費用成本? ?質量三者之間的關系,提出了基於cpm關鍵路線法的川塔項目進度計劃制定方案,實現了進度規劃與控制的緊密結合;在對比分析經驗法、因素法、 wbs法、等方法和技術基礎上,制定了側重於預的川塔項目成本基本規劃方法,以及結合市場經濟情況的成本控制策略;同時將全面質量管理思想,引入了項目施工方案中,針對子項目招標、設備采購、重點質量監控點等設立了詳細的質量保障機制和細則,以確保達到工程優質建設的目標。
  20. The other types of statics are utilized for signal compensation in evaluating the difference among the source, receiver imaging and wave signal

    其他型的靜校正手段用以在震源和接收器成像和波信號差異中進行信號補償。
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