first data point 中文意思是什麼
first data point
解釋
第一組數據點-
At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。 -
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
Because of the complexity of calculation result data, and in order to simplify the analysis of results, this paper only provides annual temperature isoline map of february, may, august and november during construction, temperature isoline map of the first, fifth, tenth, twentieth and thirtieth year during operation, duration curve of temperature and stress of typical point at different elevation, the maximal stress distribution along dam height, point at different elevation, the maximal stress distribution along dam height, and the maximal and minimal temperature and the maximal tensive stress and its position of every month
因計算結果數據量非常大，為便於成果分析，本文僅給出施工期每年2 、 5 、 8 、 11月份和運行期第1 、 5 、 10 、 20 、 30年的溫度等值線圖，壩體不同高程典型點溫度和應力歷時曲線圖，最大應力沿壩高分布圖，逐月最高、最低溫度和最大拉應力值及相應的位置等。 -
4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional
4 .在視圖原始數據整理方面，首先討論了重疊邊的分解與重構方法;然後給出了隱含點的概念，通過對二維線段相交情況的處理分析了求取隱含點的斷線演算法;最後描述了如何利用實體的拓撲關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。 -
In this article, we use idea of turning dispersion into convergence and put all the well ' s points into the same unit net to think about it. and answer three questions of the distribution of well drilling by the way of searching for groups of points. fincite - step - searching underthe condition of translationg fcoordinate system or revolving coordinate system. to first question. we find two algo - rithms and make use of data that is given to find the solution. we seek coorlinate of net point is co. 361, 0. 461 ) and mostly four old well ' s points are utilized at the same time by first algorithim, which are no. 2, no, 4, no. 5, no. 10. by second algorithm, we rechon the coordinate of net point is co. 390, 0. 505 ). and that mostly four old well ' s points are utilizld which are no. 2, no. 4, no. 10. to second question, we turn it into the first question by angling awt the center of net point. we seek that mostly six old well ' s points are utilized at the same time, which are no. 1, no. 6, no. 7, no. 8, no. 9, no. 11, when net is angled 0. 78 radian. and net point is translated to ( 0. 75, 0. 076 ) ( at nwe coordinate system ). to third question, wefind a necessary and sufficient condition and affer algorithms, at last, we analyse algorithms
運用化分散為集中的思想，把所有的井點都放在同一個單位網格內考慮.在坐標可平移、旋轉的條件下，利用尋找點群、有限步驟搜索法，對鉆井布局的三個問題進行了解答.對問題一，給出了兩個不同演算法.並對題目提供的數據進行了求解，演算法1得到的結點為（ 0 . 361 ， 0 . 461 ） ，最多有4個舊井點被同時利用，它們是第2 、 4 、 5 、 10個井點;演算法2得到的結點為（ 0 . 390 ， 0 . 505 ） ，最多有4個井點被利用，它們是第2 、 4 、 5 、 10個井點.對問題二，以結點為中心旋轉一定的角度后，歸結為問題一進行求解，求解結果為當網格傾斜角為0 . 78弧度（相對原坐標系） ，結點平移到（ 0 . 75 ， 0 . 076 ）點（在新坐標系下） ，可被同時利用的最多舊井點為6個，它們是第1 、 6 、 7 、 8 、 9 、 11個井點，對問題三，我們給出了充要條件，並給出了演算法.最後還分析了演算法的優劣性 -
Based on investigating numerous references in literature both at home and abroad, collection of statistical data and field survey, this paper conducts a primary study on pollution control of agricultural non - point source by means of riparian buffer in shanghai for the first time
本研究選取了上海松江泗涇鎮古樓村為示範區，從2002年4月到2003年12月，在上海首次進行了農業面源污染控制的濱岸緩沖體系的初步研究。 -
First, this paper construct the mathematical model of blade according to the original data point of blade surface with 23 degree nurbs ( non - uniform - rational b - spline ) surface
首先，本文根據葉片型面原始型值點數據信息，提出了較合理的數學模型，採用23次非均勻有理b樣條擬合葉片型面，成功的擬合了葉片空間型面。 -
To answer the first question, a method is developed to store the inventory data at only some discrete time ponts. these time points are determined by time interval and events defined in this paper. for the second question, we use soft computing to recovery the state at any time point
文中還提供了一個庫存動態管理的開發實例，連續問題離散化的方法和庫存動態管理模擬演算法在該系統中得到應用，並很好的實現了原油庫存的動態管理，其中動態庫存管理在計劃與調度過程中也是必要的。 -
And then, based on above, the high dynamic pressure tests controlled strickily to load upon drixed liquid samples have been caned out on the two stage ligh gas gun, and five data shocked experiment with first compression are obtalned within l0gpa ~ 25gpa they are all located in a narrow region, upper the decomposed point of carbon monoxide but lowe than tha of nitrogen ( roughiy 26gpa )
在此基礎上利用二級輕氣炮對初態受到嚴格控制的混合液樣進行動高壓加載，獲得了10gpa 25gpa范圍內的五個一次沖擊壓縮數據點。這些數據點均位於co的離解壓力點以上， n _ 2的離解壓力點以下的狹窄范圍內。 -
From a departure point of empirical study on the effect of cross - border mergers and acquisitions ( m & as ) on the performance of target firms, this article follows the traditional research pattern, which first reviews the extant empirical researches in this field then introduces the characteristics of foreign acquisitions in china as well as its economic effect. following is the theoretical explanation of the mechanism behind the effect of cross - border m & as on the performance of target firms from the views of fdi, corporate strategy and corporate governance. finally, this article employs the standard event study methodology as well as accounting data analysis to examine the short - term wealth effect and long - term performance of chinese target firms
本文以外資並購對我國目標公司績效的影響為研究出發點進行實證分析，依據傳統的研究思路，首先對現有的經典文獻做了一個簡要的回顧，然後介紹了外資並購我國企業的特點和其經濟效應，接著從國際直接投資、公司戰略、公司治理這三個角度對跨國並購提高目標公司績效的機理進行了分析，為目標公司績效的提高提供了理論依據，最後本文利用標準事件研究法和會計指標法計算出公司的績效指標?累積超額收益率（ car ） 、平均每股收益和平均凈資產收益率，分別從短期和長期分析了我國目標公司的績效。 -
The usual method is, to find a sub - missile disper firstsion center first from each group data of the sub - missile ' s falling point coordinate, then to estimate the parameters according to a few data of dispersion center using the classical statistic method
通常的方法由每次試驗的子彈落點數據獲得一個子彈散布中心，再由少數的幾個散布中心數據、運用經典的統計方法求散布中心的正態總體分佈參數，其不足之處在於小樣本條件下采偽的概率很高。 -
5. the multi - point effect in frequency domain is studied, and the analytical procedure is simplified to some extent, that is, the responding data is accurate enough only with the input according to the first four degressively arranged eigenvalue of earthquake power spectrum matrix. there are disaccordant conclusions of multi - point input analys
5 、研究了頻域內地震動的多點效應，並對計算過程進行了一定程度的簡化，即只需要計算輸入地震動功率譜矩陣從大到小排列的前4個特徵值所對應的地震動的動力反應。 -
This paper, documented with detailed data and starting from the point of pluralism and brilliance and tian changlin ' s educational practice, has been intended to look into tian ' s thoughts from the aspect of scientific management and then provides some reference for universities in china on their way toward those first - class universities in the world
本文通過較為詳實的資料，以多元和卓越為切入點，結合田長霖的辦學實踐，試圖從科學管理的角度對其思想做出探析，以期在我國高校向世界一流大學學習和邁進的過程中，起到「他山之石，可以攻玉」的借鑒作用。 -
Better agreements between computation results and experimental data were found using the models. ( 4 ) two phenomena in straight - convergent - divergent - straight microchannels were identified, which are different from the macroflow through experimental studies. one is that the first appearing sonic point position in microchannels is not near throat cross - section
（ 4 ）對等直收縮擴張等直微管道中氣體流動的實驗研究發現兩個特異現象：其一為微管道內最早出現聲速點的位置不一定在喉部附近，其二為微管道中的臨界壓比與常規值有很大差別。 -
In the first part, it is the theory background, including some concepts of stress management, the sort of stress, theory of stress, relationship between stress and performance, and the aftereffect of heavy stress. in the following part, it is stress survey and data analysis, including selection of objective group, design of stress survey, data analysis, and the stress characteristic of the objective group. in the last part, according to the stress theory and the stress characteristic of the objective group, i indicate the strategy of stress management and point out the model of stress management
本論文共分三部分：第一部分是理論背景，主要包括： 1 、與壓力管理相關的概念及分類； 2 、壓力理論； 3 、壓力與績效關系以及壓力後果；第二部分是壓力狀況調查及數據分析，主要包括： 1 、目標群體的選擇； 2 、調查量表的制定與調查； 3 、進行數據分析，最後得出被調查人群壓力特徵；第三部分是根據壓力理論和調查人群壓力特徵，指出相應壓力管理策略，並提出自己的壓力管理模型。 -
Dvd - 9 : this format iswhich point a layer the dvd disc the data for space for, make use ofing of the and coming reading the second floor. be is translucent because want the convenient laser can cross its draw the layer to read the second floor s data ed by coating that coating that first floor, gold the adoption s material is a gold, gold, but the second floor is silvery, therefore double the color for layer dvd present the gold. the total capacity amount to 8. 5 gb, about is the dvd of four hours the video broadcast the length
Dvd - 9 ：這個格式是指單面雙層之dvd碟，利用軌與軌之間的空間來閱讀第二層的資料。由於第一層之塗料為半透明因為要方便激光可穿越其塗層來讀取第二層的資料，金色採用之物料為金， gold ，而第二層之塗料為銀色，所以雙層dvd的顏色呈現金色。總容量達8 . 5gb ，大約為四小時之dvd video播放長度。 -
At first, we introduce the working flow of ir image processing and the structure of the image processor, then we present the goal of the design : image pre - processing and data communication. in the part of the image pre - processing, the factors causing the nonuniformity of fpas are analyzed particularly, and several. resolutions are presented, which characters are illustrated at last. according to the design requirement, we decided to implement the two - point nonuniformity correction method in fpga
在圖像預處理部分，首先就紅外成像傳感器非均勻性的成因進行了詳細分析，總結了紅外成像傳感器非均勻性校正的主要方法，分析了各種方法的優缺點；根據成像制導信息處理機實時處理的要求，利用現場可編程門陣列實現了基於浮點運算的兩點法非均勻性校正模塊。 -
The first chapter in this paper provides a survey of data mining technology, and explains basic concepts, function and the whole framework of data mining and difficulties in developing and some future directions in association rule generation ; the second chapter introduce the basic concepts, brings forward a classification of association rule ; the third chapter give a deep research on algorithms of every kind of association rule, include mining single - dimensional signal - level association rule and multidimensional multilevel association rule, it describes these algorithm, point out some method to optimize this algorithm and test its quality with experiments ; the fourth and fifth chapter introduce the designs about association rule mining system basing on relation database visual foxpro in detail : according to system frame of the association rule mining, actualize a new mining algorithms and analyses every function module of program, at last further analyses the left problems in designs
本論文第一部分對數據挖掘技術進行了總體介紹，說明了基本概念、功能和系統總體框圖以及發展中的難點和研究方面；第二章對關聯規則基本概念的進行了介紹，提出了關聯規則的分類方法；第三章探討了挖掘各種關聯規則的演算法，從挖掘單維單層布爾關規則的經典的apriori開始，分析了挖掘單維、多層關聯規則的演算法，多維關聯規則的演算法到多維多值屬性關聯規則的演算法。文中提出演算法優化方法，並對其性能進行了實驗測試；第四部分、第五部分詳細介紹了基於關系型數據庫的關聯規則挖掘系統的設計構思，根據關聯規則挖掘系統結構框架，實現了基於visualfoxpro的關聯規則挖掘系統，其于採用了一個新型的基於關系數據庫的關聯規則挖掘演算法，提高了挖掘效率，並詳細分析了程序設計的各個功能模塊，最後就設計中遺留的問題進行了進一步的分析。 -
Moreover, the paper compiles a decision tree - making program by camm algorithm in matlab in order to compare with the clustering. regard the history fault data of gear case as specimen, at first the information gain of every decision property is calculated at current decision point and the decision property which has the greatest information gain is selected as the decision point. then the assembly is subdivided according to the value of its decision property. delete the groups whose degree of support for sort property classification is less then the designated value
以齒輪箱歷史故障數據為樣本，首先從當前決策節點計算每個決策屬性的信息增益，選擇具有最大信息增益的決策屬性作為決策節點，並根據該決策屬性的取值將該決策屬性所在集合分成若干個子集，濾掉所有子集中對類別標識屬性的分類支持度小於指定的最小支持度的元組，重復該過程直至生成決策樹。 -
This thesis introduces the background about this system and solving path at first ; then emphasises to describe ideas and implementation of clustering - algorithm ; furthermore expands on the characteristics and flows of each module ; analyses how to establish security policies ; finally summary full text, and suggest further works, otherwise, it also make point of personalizing hyperlinks and personalizing search - engines based on web data mining, making personalizing application more integrate
本文首先介紹了論文所提問題的背景和解決途徑；然後說明了本系統的概念定義和目標；重點介紹了系統中聚類演算法的思想和實現；進而詳細闡述了系統各個功能模塊的特徵和流程；分析了如何通過服務器日誌建立安全策略；最後進行了總結，並提出了下一步的工作。此外，論文提出了個性化引擎、個性化鏈接與web數據挖掘的結合，使個性化應用更加全面。
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