線覆蓋數 的英文怎麼說

中文拼音 [xiànshǔ]
線覆蓋數 英文
line covering number
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指、 n指的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲分維d _ ( fa )與m指的理論推導,根據裂縫性儲層測井曲形態分維值的地球物理意義? ?曲變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指m值越高等特徵,提出了改進的基於盒維的測井曲網格法,編程計算了裂縫性儲層段常規測井曲(如聲波和電阻率曲)上分形分維值及其m指值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. 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量分析相結合的方法,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量化分析,找出巖溶土壤肥力差異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、水分含量等) ,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、放量及總量)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。
  3. Coral reef fish and invertebrate species such as butterfly fish, groupers, wrasses, lobsters, sea urchins, and the coverage of hard coral species are quantified around a transect line placed in a similar position every year

    每年普查均會在相同位置展開基,統計如鰈魚石斑鸚鵡魚蝦海膽等的珊瑚魚和無脊椎動物的目,以及珊瑚的率。
  4. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論,使用matlab與vb軟體建立了一套水下消聲層吸聲系預報軟體,研究了最優化設計中單參最小化、無約束非性最小化和有約束最小化理論的一些演算法,利用現有模型的吸聲系計算公式作為目標函,初步優化了一些結構的材料參
  5. Cas ( communication automation system ) includes cabling system, broadband netw - ork system, mobile phone coverage system, cable tv and digital communication system

    Cas通信自動化系統,綜合布、寬頻網路、移動電話樓內系統、有電視及字程式控制電話系統。
  6. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪率的理論模式。
  7. Most complete wireless weather coverage available : high and low day temperature in celsius or fahrenheit, weather type icon and text, real feel ( rf ) temperature ( what temperature really feels like ), wind direction, gust and speed in mph, km / h or m / s, uv index ( the sun ' s ultraviolet intensity level ), amount of day precipitations in in, cm or mm, pressure, visibility and more

    最完整的無天氣可以利用:攝氏和華氏的溫度高低,天氣類型圖標和描述,實際感覺到的溫度(真正你感覺到的溫度) ,風向,風力和風速,時速或秒速,紫外(太陽紫外強度等級) ,降雨雪量精確到英寸,厘米,毫米,壓力可見的描述,還要其他的嗎
  8. Abstract : an easy method for determining the lateral fold number of 3 - d seismic swath is presented. it is described in details that the non - vertical time error and selection method of vertical line direction. based on existing conditions of 3 - d seismic data acquisition in coal field, an assumption of 3 - d broad azimuth data acquisition is provided to remove the disadvantages of non - uniform azimuth distributions from old observation system

    文摘:提出了束型三維觀測系統橫向的一種簡易確定方法,詳細論述了非縱誤差的實質及縱測方向的選擇方法,根據目前煤田三維據採集現狀,提出了寬方位角的設想,以便克服以往三維觀測系統中方位角分佈不均的弊端。
  9. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    感應通信是基於電磁感應原理,利用電磁耦合完成車輛與地面雙向據傳輸的一種通信方式,具有傳輸損耗小、路長、架設方便、易於維護等優點。
  10. The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems

    無分支科赫曲是一種典型的分形,前人的研究都局限於n = 4 ( n是用元,面元,或體元分形系統所需要的,確切的應該寫成n = 4 ~ n ,其中n為科赫曲的級,但我們在重整化群計算時只考慮一個生成元,所以簡化為n = 4 )情況,這種科赫曲的相變點為零,是一種零溫相變,這也是有限分岔系統的相變特徵。
  11. The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper

    採用了當前比較成熟、先進的微波傳輸技術和設備,如高效的縫隙天、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無微波字電視的基本技術方案,和個別地區(冷水江市字微波工程)的多級微波傳輸的具體技術方案。
  12. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢,可以利用非性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非性極化張量都是d _ ( 33 ) ,其有效非性系高出普通非性光學介質(如bbo 、 lbo 、 ktp )一個量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非性光學材料和固體激光器的研究熱點之一。
  13. The company occupies more than 2500 sq. m floor area, has the automatic production line, and the product through the network, the region agent and so on, has covered the domestic several hundred cities, has won user ' s consistent high praise

    企業的佔地面積2500 ? ,擁有自動化生產,產品通過網路、區域代理及店面等多種渠道了國內大中小百個城市,贏得了用戶的一致好評。
  14. In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination

    摘要針對區域衛星星座的回歸特性和構型維持需求,利用軌道半長軸和傾角與升交點赤經漂移和相位角漂移變化率之間的性關系來優化星座構型參,提高衛星星座構型的長期穩定性,同時通過協同控制軌道半長軸和傾角漂移量來實現區域星座構型維持。
  15. A scheme that to use digitalized catv signals in some inner areas while to use microwaves in some areas for where with no probability using the cable network, which is an extraordinary perfect transition measure, efficiency, economy and a shortcut, before the digital television terrestrial broadcasting standards come into practice

    廣播電視部門在地面廣播標準尚未出臺、直播衛星也未開通以前,採用有電視的標準,利用有電視字電視信號,通過微波在有網路之外進行無補充,高效、經濟、快捷,是一個非常理想的過渡辦法。
  16. The system is mainly built up by four subsystems : integration counter business, background handling, business management and business publicizing. c / s construction in lan, all lan connect into the post integration network and make up of wan. almost most of the post suboffices in the area of the whole province have been connected into the network

    整個系統由窗口綜合營業子系統、支局內部作業子系統、支局經營管理子系統、檔案查詢子系統、支局業務會計子系統、支局匯檢子系統和業務宣傳子系統等構成,並在郵政支局內部形成「客戶服務器方式」 ( c / s方式)的局域網路,並通過郵政綜合網路進一步形成城域互連的廣域網路,范圍可以到全省內的絕大多的郵政支局。
  17. 3. the distance of metal wire and ground is smaller, the effective permeability leff, quality factor q and resonance frequency srf is also smaller ; the coil turns increases leff will increase, the q value and resonance frequency srf will drop ; the line width increases leff will drop, resonance frequency srf will increase and the q value is nearly invariable ; the via size, the pad layer size and thickness is little effect the effective permeability leff and resonance frequency srf but seriously influence q value

    3金屬導離地的距離越小,有效電感值leff 、品質因子q 、自諧振頻率srf也越小;圈圈增加, leff增加, q值和自諧振頻率srf下降;寬增加, leff下降自諧振頻率增大q值幾乎不變;通孔大小、層的大小及厚度對有效電感值leff和自諧振頻率srf沒有多大影響,但對q值影響較大。
  18. By analyzing and comparing the network feature index - non - beeline coefficient. shortcut index. joint degree index, demonstrates the cobweb theory that in the conditions which has the same area. scale and density, round - radiation network has the best traffic efficiency

    基於對路網特性指標? ?非直性系、快捷性指、連接度指分析比較的基礎上,提出並論證了在同等的路網面積、規模和密度的條件下,環形放射式路網具有最優的交通效率的蛛網理論。
  19. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無移動通信系統中採用智能天技術,實際上是通過字信號處理,使天陣為每個用戶自適應地進行波束賦形,相當于為每個用戶形成了一個可跟蹤它的高增益天,從而即可以進行全方位通信,也可以用較小的發射功率相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  20. In this process, large volume of spatial data such as spot - heights, contour lines and building footprints were transformed into the appropriate formats for the compilation of the model

    在這過程里,大量的空間據包括高程點、等高和建築物的范圍須轉化成合適的格式,供製作模型之用。
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