數據密度 的英文怎麼說

中文拼音 [shǔ]
數據密度 英文
data de ity
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 數據 : data; record; information
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜不同波段的質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程上能夠消除由於傳感器、地物目標觀測方向之間的角變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋都有切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上,歸納出其六大安全要素,即系統的可靠性、交易者身份的真實性、電訊的機性和完整性、電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析:第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規,第四章則介紹了電子提單的安全認證機構,第五章介紹了信息加技術以及各國立法對碼技術的進出口及使用的控制,第六章介紹了字簽名的概念及原理,並以bolero為例介紹了字簽名的技術方式,對有關法律問題作了論述;第七章首先論述了電子提單對有效性的法律需求,然後結合國內法和國際規則的規定論證了電訊制產生的必然性;第八章通過對各國立法對電子證的法律效力的規定,論述了對電子交易至關重要的電訊的不可抵賴性。
  3. Methods : we have divided the 636 molars ( without dental caries or pathological changes of root ) collected in school of forensic medicine and stomatological hospital in shanxi medicine university into four groups : maxl, max2, manl, man2, and selected 5 indexes closely related to changes of dental age ( dental attrition, contact area, the index of dentine marrow cavity, the thickness of cementum of root, the diaphaneity of dentine of root ), and proposed the grading standard and scoring standard date processing and statistical analysis after measuring the teeth of the four groups

    方法:從山西醫科大學法醫學院及口腔醫院收集的636磨牙(無齲壞、無根尖病變)分為max1 、 max2 、 man1 、 man2四組,根牙齒的增齡變化特點,篩選了5個與牙齡變化切相關的指標(牙齒的磨耗、接觸區面積、牙本質髓室指、根尖牙骨質的厚、根尖牙本質透明) ,提出了指標的分級標準和評分標準,對各組的牙齒測量后進行處理和統計分析。
  4. These appliances, available from companies such as decru, neoscale, and vormetric, implement very fast encryption - they typically claim to operate at or close to " wire speed. " they also usually include sophisticated key management facilities for controlling the creation and distribution of cipher keys, cycling of keys, and disposition of keys, besides handling general data encryption

    Decru 、 neoscale和vormetric等公司都能提供這些器件,它們實現了非常快的加通常被聲稱速達到或接近「線速」 。它們還常常包括高級的鑰管理設施,除了用於處理一般的外,還可用於控制鑰的創建和分發、鑰的循環和鑰的銷毀。
  5. In conclusion, it is primarily described that the expectable social and economical benefits of this mis are great, and the design can be fulfilled smoothly. the difficulty of this thesis is : not only think about the coordination each other synthetically on workers, equipments, technologies, data and user ' s priorities, different project and different continuation day, but also must ensure that it is agility, controllable and safe when the data be transmitted on internet or intranet

    本管理信息系統強調是針對無形的信息產品( gis等海量)的生產管理信息系統,不是單純的統計計算,還要實施嚴的控制,除需要綜合考慮人員、設備、技能技術、權限、工程、工期在計劃調統計方面的協調性外,還需要強調海量信息產品的原始、半成品、成品在網路上流動的靈活性、可控制性和安全性。
  6. Mass flow information can be secured by using a densitometer.

    質量流量的可藉助於計而獲得。
  7. After processing, the sensitometrically exposed step wedge is read on a densitometer and the data is plotted.

    加工完畢后,即用計對試驗膠上復制的階梯級譜的進行測定,然後用測得的作圖。
  8. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常的亞彈性本構模型,來描述散粒體在加載時的力學行為,本模型的分析結果與不同相對下標準砂的三軸實驗可較好地吻合,能反映散粒體的剪縮、剪脹現象,還對如何用三軸實驗來確定這4個材料常,給出了適宜的計算方法。
  9. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光高斯光束的切削量與能量的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深的關系;首次定量確定了激光光斑參及其排列方式對術后角膜表面粗糙的影響,為更精確實現角膜切削和提高切削后角膜表面光潔、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依
  10. The controlling parameters for smooth blasting in qin - ling zhongnanshan tunnel project are optimized according to the fundamental principle of smooth blasting, considering the minimal resistance, coefficient of embrasure density, coefficient of non - coupling, density of dynamite and rate of exploding. the efficiency of this method has been analyzed and justified by the high speed and good quality of the project

    光面爆破的基本原理,從最小抵抗線、爆眼集系、不耦合系、線裝藥、爆破進尺等幾個方面確定秦嶺終南山隧道光面爆破主要參的選取,分析了該隧道鉆爆設計在隧道施工中的運用取得的成效,提高了施工進,同時也保證了施工質量。
  11. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上,根圓錐形、楔形陰極真空微電子三極體的不同特點,分別建立了物理和學模型,在考慮空間電荷影響的前提下,以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況,繪制出了等勢線、電子軌跡線,並得到了器件電學性能隨幾何參的變化情況。
  12. At last this module is synthesized using 6s06dpdm technology library. 3, the algorithm used in key module to the performance of data security is thoroughly analyzed. considering both performance of enciphering and degree of complexity of realization, steam cipher algorithm is used

    3 、對通信安全性起決定作用的加模塊所採用的加演算法進行了深入的分析,綜合加性能和實現的復雜的考慮,採用了流碼的加演算法。
  13. To sum up, tested and validated by data sets of shenzhou iv unmanned spacecraft and precise orbit ephemeris, the algorithms presented in the thesis can improve orbit accuracy and reduce random noise considerablely. derived conclusions have important value for reference, and lay the firm technological foundation for future applications

    總之,經過神舟四號飛船實測計算和精星歷檢驗,表明本文提出的各種定軌方法可以較好的提高定軌精,減少隨機噪聲,所得出的結論對于實際應用具有重要的參考價值,並為將來的應用奠定了堅實的技術基礎。
  14. The interaction will lead to tendency of an equilibration of energy over both of transverse and langmuir plasmons with the same frequencies near ( subscript p ), which is agreement with our numerical analysis

    求出了強朗繆爾波的強空穴的尺,結果與粒子模擬的預測結果及實驗所測大致相符。
  15. Logarithmic power measuring assembly based on the neutron flux density

    中子通量的對功率測量裝置
  16. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體的界限來推測砂體側向連通情況;根每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參,包括儲層厚分佈、孔隙以及滲透率,並且成圖;利用變差函法,通過球狀函模擬,確定儲層優勢滲透率方向:根流動單元法,以儲能系、容積系以及凈毛厚比三個參為依,通過聚類分析方法進行流動單元劃分,並且按照參特徵將其分為五類,統計各砂層有利流動單元區塊。
  17. In order to build the product quality soft measurement, we discussed the relation of between process variables and product quality variables. finally, all modeling variables and data are proposed

    分析了若干主要過程變量對質量指標(樹脂熔融指)的影響趨勢,進行軟測量建模變量的挑選和準備。
  18. As consultant, he works with data - intensive organizations creating strategy based on measurement and behavioral analytics. clients include alibaba, goldman sachs, siemens, swiss international air lines, ubs, and yahoo

    他是咨詢家,與多家集性組織聯手,制定出以量和行為分析為基礎的業務戰略,主要客戶包括阿里巴巴,高盛,西門子,瑞士國際航空公司,瑞銀集團和雅虎
  19. Many large corporates rely heavily on the regular distribution of data - intensive material to local and remote employees

    很多大公司在很大程上依賴于定期向本地和遠地雇員分發集的材料。
  20. However, the extra speed of this connection standard makes it the preferred way to perform debugging and other data - intensive operations

    但是,由於此連接標準具有更高的速,使其成為執行調試和其他集型操作的首選方式。
分享友人