law curve 中文意思是什麼

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。

The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度，在深入研究末敏彈穩態掃描過程的運動規律后，通過最小二乘法的二階分段曲線擬合，計算出落速。

In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。

Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。

This paper analyses and studies the design method of optical divide ratio of two way optical distributor in star optical fiber transport network, reaches a simple method to design optical divide ratio of two optical distributor : tabulated solution method and graph method, and then analyses and summarizes the characteristic and law of function curve, the five - point conclusion are presented finally

摘要對星形光纖傳輸網路中的光二分路器分光比的設計作了分析和研究，得到一種設計光二分路器分光比的簡便方法查表法和曲線圖解法，並對相關函數關系及其曲線特徵與規律作了分析，得出了5條結論。

Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。

These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed. and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow. with the elbow fatigue test, a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum

本文創新點為：在bhw - 35鋼的p ? s ? n曲線及da / dn擴展規律的試驗研究基礎上，提出了410t / h鍋爐汽包的低周疲勞壽命分析與預測方法；建立了一種橢圓截面變厚度彎管承受內壓時的應力計算力學模型，通過壓力彎管的疲勞試驗，本文推薦其低周疲勞擴展壽命預測方法；將損傷力學應用到鍋爐汽包疲勞壽命預測做了初步的探索。

Some types of high value resistor have another imperfection : they have a slightly non - linear voltage / current curve and do not obey ohm ' s law accurately

有些類型的高阻值電阻器還有另外一個缺陷? ?其伏-安特性曲線呈輕微的非線性，並不完全符合歐姆定律。

Based on the creep experimental curve, the creep deformation law of silty soft clay of the first marine layer and its constitutive relationship among stress - strain - time is studied in this paper

本文在蠕變試驗曲線的基礎上，研究了天津市第一海相層淤泥質粉質粘土的蠕變變形規律，得出應力、應變、時間三者之間的本構關系。

This method uses the law of conservation of energy, adopts the method of sectioning and the cam profile is designed according to the outputted speed curve

該方法應用能量守恆定律，採用分段的方法，按輸出的速度曲線設計凸輪廓線。

On the basis of the known actual contour equation of cam in the disk typed cam mechanism with swinging oblique bottomed follower, this paper expounded another method for determining inversely the track equation of cutter center and the motion law of follower, and three key techniques in numerical inverse seeking were solved successfully by adopting the method of curve matching

摘要根據已知擺動斜底從動件盤狀凸輪機構的凸輪實際廓線方程，闡述了反求確定刀具中心軌跡方程和從動件運動規律的另一種方法，並採用曲線擬合等方法成功地解決了數值反求中的3個關鍵技術。

The method takes advantage of bezier curve to work out a set of blade profiles of centrifugal pump, using thickening law to thicken the profiles. then the pressure and suction lines of the blade can be obtained. it takes advantage of bezier surface to create pressure and suction surface and makes use of mdt software to create the three - dimensional blade entity

首先採用速度系數法計算得到離心泵葉輪的基本參數，再由b zier曲線生成一組葉輪葉片型線，按照加厚原理對型線進行加厚，得到正背葉片線，再採用張量積b zier曲面生成葉片正背面，由mdt進行三維實體造型得到葉片，從而得到流場計算區域的模型。

On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

在基礎理論方面研究了激光（特別是超短脈沖激光）超聲的激勵機理，探討了激光調制技術以提高系統信噪比，闡述了泵束探針束技術及相關實驗設置；在系統設計上，以激光超聲為基本原理，以泵束探針束技術為系統設計方案完成了mems基片厚度測量系統的設計；在數據分析方法上，利用聲致光反射率變化的一般規律對測得的光反射率曲線進行分析，確定超聲回波在薄膜兩界面間來回傳播的時間，以計算薄膜的厚度。

The great tour purchasing power is the drive power of promoting the region ' s tourism developmentln the regional space, scale economic and regional separation are one of the basic characteristics of promoting tourism industry, so we must arrange the regional tourism industry with a systematic method and give prominence to the central city. for its outstanding area in the regional space, central city has evident superiority in the regional ecnomic development, and has echelon between central city and its periphery scennic spots, which is the inducement mechanism of tourism industry ' s arranging, developing and advancing step by step. for the law of diminishing marginal utility and the theory of equilibrium, the max utility equilibrium of tourism consumption be at the point of tangency of undiscrepancy curve and the cost budget curve

中心城市居民巨大的出遊力是拉動其周邊旅遊地發展重要的內在驅動力；由於地緣關系，區域規模經濟與地域分割並存，是旅遊產業運動的一個基本特徵，為此必須對區域旅遊經濟進行系統化布局，突出中心城市的產業中心性；因其區位條件獨特，中心城市在區域經濟發展中居於明顯的優勢，與周邊城鄉部位存在經濟發展上的梯次性，這種梯次性是區域旅遊生產力布局、產業發展梯次傳動，最終整體聯動的經濟誘導機制；根據邊際效用遞減規律和旅遊者最大效用均衡理論，旅遊消費效用最大化的均衡在無差異曲線與開支預算線的切點（即旅遊目的地選擇的最佳位置）上，且隨著邊際效用遞減，目的地選擇的最佳位置向遠離中心城市方向移動，這就是中心城市與周邊旅遊地互動關系的經濟學解釋。

A concise physical picture is furnished by chemical potential curve about the law of phase equilibrium, saturated vapour pressure of curved liquid surface, evaporation and condensation etc

通過曲線描述，提供了關于相平衡、彎曲液面飽和蒸氣壓以及蒸發、凝結等規律比較直觀的物理圖像。

This research is based on a group of countries in deferent developing phase in the same period. then, by using spss statistic software, from the regressive model, we made a conclusion that a cubic curve is found to describe the law of the housing ratio that change with economic development. we hereby divide the cubic curve into three phases : rising, falling, and re - rising, then we analysis the character of each phase

本文採用橫向數據分析法，研究了同一時期處于不同經濟發展水平的一系列國家住宅產業增加值在gdp中所佔的比率，然後藉助spss統計軟體進行回歸分析，得出了住宅比率隨經濟發展呈現三次曲線的變化規律的結論，並據此劃分了住宅產業發展軌跡的三個階段，即上升階段、下降階段、再上升階段，分析了每個階段的基本特徵。

The movement law that abrasive fluid in centrifugal field is discussed through the analysis of experimental results of high - speed photography, and it is pointed out that in the course of abrasive moving both the moving of layer and the curve changing from front interface to slip are the important factors of influencing processing results

文中通過對高速攝影實驗結果的分析，探討了磨料流在離心場中的運動規律，指明磨料流在運動過程中，其滑移層的運動及前沿界面曲線的變化是影響加工效果的重要因素。

In the study on fatigue, through the treatment to continuous curve, draw strength with possessing line shape relevant conclusions while being tired, meanwhile, through being tired to resume law of testing, obtain tired any characteristic and tired influence on resuming of intermission that resume, this has certain reference function on movement ' s industry ergonomy of hand

對疲勞的研究中，通過對連續曲線的處理，得出力量與疲勞不具備線形相關的結論，同時，通過疲勞恢復測試法，得出疲勞恢復的一點特性及間歇性疲勞對恢復的影響，這對于手動作業工效學具有一定的參考作用。

As the main method of measurement in the tests, some strain measuring points are arranged on the reinforced steel bars of the anchor bearing body. the changes of strain with different loading levels at their locations have been measured, through which range of influence and distribution of strain with loading in grout can be investigated, and corresponding distributions of axial force and bond stress are calculated according to hooke ' s law. making use of nonlinear curve fitting, distribution equation of bond stress of the fixed unit anchor length is achieved

試驗測試手段通過在錨索承載體上布設應變測點，觀測錨索在不同的荷載級別下的應變變化情況，對不同荷載級別下，單元錨索注漿體內應變的影響范圍及分佈規律展開分析，依據虎克定律計算出了其軸力與粘結應力的分佈；並對測試結果進行了擬合，得出了錨固段粘結應力分佈的擬合方程。

At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

文中首先對結構面的力學模型進行了一定的探討，提出了粗糙結構面尤其是加錨結構面的本構關系；然後採用極限平衡法，研究了順向層狀巖質邊坡的順層滑動失穩，提出了其穩定性計算公式；最後，結合能量定律和彈性板梁穩定理論，探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法，建立了相應的力學模型，求出了其相應的解析解，並提出了臨界坡長與最大彎曲位置的確定方法。