科學計數法 的英文怎麼說
中文拼音 [kēxuéjìshǔfǎ]
科學計數法
英文
scientific notation- 科 : Ⅰ名詞1 (學術或業務的類別) a branch of academic or vocational study 2 (機關按工作性質而分設的單...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 科學 : science; scientific knowledge
- 計數 : count; tally; counting計數卡 numbered card
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This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software
本文結合我公司鳥撞實驗體系技術改造項目,應用有限元數值計算模擬技術及現代大型科學計算工具,對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討,初步掌握了科學計算方法,獲得了計算模擬的實踐經驗,為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects
2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。This article combined the present new situation of the development of science and technology in the universities, and summarized the common methods that were often used in the present evaluation of scientific research performance and the coexistent drawbacks, with the aim at enhancing the rationality of the scientific research evaluation. this study demonstrated the relation of metric analysis of scientific papers and the scientific performance in the universities by analyzing periodical literatures distribution and citation rules, according to the theory of scientometrics. this article also emphasizes on metric analysis of scientific papers and investigated the related indexes and their meaning
本文結合高校科技發展的新形勢,以提高科研評估的合理性為目標,總結分析了當前科研績效評估中常用的方法與存在的問題;以科學計量學理論為依據,從期刊文獻分佈與引證規律的角度,闡述了科技論文計量分析與高校科研績效評估的關系;以科技論文計量分析為重點,研究了論文計量分析的相關指標及其合理內涵;以專家咨詢和數理統計為主要方法,建立了由論文計量分析指標組成的論文綜合評估體系;在對該評估體系進行科學性第四軍醫大學碩士學位論文和實用性分析后,應用評估體系對某軍醫大學附屬醫院的部分科室進行實際測評;最後結合評估實踐,提出了提高科技論文質量的建議,以及科研評估中應注意的問題。The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究,取得了以下幾方面的研究成果:一、採用科學計算可視化技術,繪制變形矢量圖、變形等值線圖和三維效果圖,實現了柵格影像變形特徵的可視化;二、提出了在格網控制點( gcp )數據基礎上選擇性構造顧及變形特徵的delaunay三角網,並基於構造的三角網實現了分塊糾正的方法和數學模型;三、採用vc編制了影像幾何糾正軟體,實現大比例尺掃描地形圖的糾正,並在工程中得到應用。This paper applies markov chain method and analyzes a fine problem when taxpayer evade tax payment in the tax supervision. it provides a quantitative basis for similar management decision problems
摘要本文利用馬爾柯夫鏈分析方法,對稅收監管工作中納稅人因偷逃稅款而受到罰款懲處時罰款數額的確定問題進行了統計分析,它為實際管理工作中遇到的類似決策問題提供了科學的數量基礎。China has a vast population and a broad market, thus liquor consumption owns a considerably potential market in china. however, due to the intence yet disorder competition of the present market, the marketing of the liquor industry in china has fallen into an rather awkward dilemma. the hidden trouble, the lurking danger, cause the businessmen in this line unable to extricate themselves from a low - leveled ricious competitive cycle. such severe challenge also confronts yuechitequ company. therefore, the most urgent problems waiting for resdring lie in how to take advantage of the present resoures effectively, how to distinguish the market situation, and how to institute a scientific product - popularizing programme in order to keep the enterprise standing undefeated in the intense competition, and develop the enterprise rapidly, favorably. this thesis makes a thoughtful analysis about the external conditions of market and internal ones resources in the yuechitequ by means of inrestication through questionaire and scientific data processing. in the second part, with the application of stp system theory of marketing and new - product - pricing theory, it designs and further expounds the popularization of the new products of this company, then forms a excutable performance and makes a constant rerision via market practice. in this way can it explor a suitable road to popularize the products in the liquor market, help the enterprise to free from the difficulties and progress healthely, consitently
本文通過在岳池特曲公司現有產品市場進行問卷調查,運用科學的數據處理方法對所回收的658份問卷統計分析,以及利用美國哈佛大學商學院著名教授邁克爾?波特( michaelporter )提出的五種力量模型和價值鏈與vrio分析理論,對白酒市場的公開數據細致分析,以明確四川省岳池特曲酒業有限公司實施新產品市場推廣所面臨的市場條件和內部資源條件,在此基礎上,本文運用市場營銷學中stp系統理論、新產品定價理論等,對岳池特曲公司推出的白酒新產品進行市場細分、確定目標市場和市場定位,並根據市場營銷4p理論制定新產品的產品策略、價格策略、渠道策略、市場促銷推廣策略,形成最終整體完善的可執行方案,再通過市場實踐對推廣方案進行檢驗、修正,力圖在酒類市場中探索一條新產品市場推廣的適用道路,並幫助企業擺脫困境、邁開步伐、持續健康的發展。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。Morphing is the continuous smooth and natural transformation of a source object into a target object, where the object can be a numerical image, curve, surface, mesh, etc. morphing has very wide use in many areas, such as computer graphics, animation design, industrial modeling, science computation visualization, film stunt, etc. this paper makes researches on the morph of compatible planar triangulations and that of planar polygons, and the main results are as follows : 1 ) morph of compatible planar triangulations : this paper presents a convexity - preserving method for morphing compatible planar triangulations with different convex boundaries
變形,是指從初始物體到目標物體的連續、光滑、自然的過渡(這里的物體可以是數字圖像、曲線、曲面、網格等) 。變形在許多領域有著十分廣泛的應用,如計算機圖形學、動畫設計、工業造型、科學計算可視化、電影特技等。本文對同構平面三角網格的變形和平面多邊形的變形進行了研究,主要的研究結果如下: 1 )同構平面三角網格的變形:提出了具有不同凸邊界的同構平面三角網格的保凸變形方法。The number of 0 characters following the scientific notation indicator determines the minimum number of digits to output for the exponent
跟在科學計數法指示符後面的「 0 」字元數確定指數輸出的最小位數。Plan numbers, account numbers and other fields containing the letter e sometimes display as scientific notation, not as alphanumeric text. this happens when the file is imported into microsoft
包含字母e的計劃號碼、賬號和其它欄位有時以科學記數法、而非字母數字文本顯示。In view of the requirement of stress testing in the engineering practice, based on the achievement in ultrasonic ndt and visc, this dissertation investigates the detection of surface stress in several typical components using surface wave acoustoelasticity and its visual expression using visc technology. the nonfiguratived data experimentally or theoretically obtained are converted to visual and idiographic figures, which are easy to understand and analyse
本文針對工程實際中對構件應力檢測的需求,結合國內外超聲檢測技術和科學計算可視化技術的發展趨勢,利用超聲表面波聲彈性方法檢測典型構件表面的應力分佈狀況,並藉助計算機可視化技術把應力場分佈狀況表示出來,將抽象的數據場轉換為形象、具體的圖形,便於理解、分析和評價。Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway
本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術,針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術,進行了深入細致的研究,從而探討了建立逼真景觀模型的方法,並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想,本文主要研究內容及研究成果如下: 1 )混合語言編程可以實現語言優勢互補,具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼,本文成功實現了vc + +與fortran語言的混編; 2 )緊緊圍繞三維選線設計中景觀模型的建立方法展開研究,綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術,採用opengl三維圖形庫,實現了景觀模型的建立以及動畫驅動,使得三維可視化技術成功應用於選線設計成果的三維直觀表達; 3 )結合有關科研課題,利用vc + +開發工具,以本文所述的理論和演算法為基礎,研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。Microbiology of food and animal feeding stuffs - horizontal methods for the detection and enumeration of enterobacteriaceae - colony - count method
食品和動物飼料的微生物學.腸桿菌科檢測和計數的水平法.菌落計數法Microbiology of food and animal feeding stuffs - horizontal methods for the detection and enumeration of enterobacteriaceae - part 2 : colony - count method
食品和動物飼料的微生物學.腸桿菌科檢測和計數的水平法.第2部分:菌落計數法To find the common log of a number, we first write it in scientific notation with one figure to the left of the decimal point.
為了求一個數的常用對數,首先按照科學計數法把它寫作小數點左面具有一位的數。Signed scientific notation
Signed科學計數法Signed floating point or signed scientific notation, whichever is shorter
Signed浮點型或signed科學計數法,顯示其中較短的數Function. this function rejects strings representing numeric values that use scientific notation
此函數拒絕使用了科學計數法表示數值的字元串。Bulk insert supports string - to - decimal type conversion for strings representing numeric values that use scientific notation
Bulk insert支持將使用科學計數法表示數值的字元串從字元串類型轉換為十進制類型。These parsing routines, collectively called fast parse, support only the most frequently used date format representations, do not perform locale - specific parsing, do not recognize special characters in currency data, and cannot convert hexadecimal or scientific representation of integers
這些常式統稱為快速分析,只支持最常用的日期格式表示形式,不執行區域設置特定的分析,不能識別貨幣數據中的特殊字元,並且無法轉換整數的十六進制或科學計數表示法。分享友人