main control surface 中文意思是什麼
main control surface
解釋
主操縱面-
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。 -
When the pilot's control force acts only to deflect the tab, and not the main surface, it is designated a servo tab.
當駕駛員的操縱力僅使調整片偏轉而不作用於主操縱面時，稱為伺服調整片。 -
Since the shallow depth excavation is the main factor to cause ground settlement in shenzhen subway tunnel, this paper discusses some corresponding countermeasures including the improvement of ground property, appropriate draining of groundwater, scheduled excavation depth and width, etc, to control strata distortion and surface settlement, and argues that these measures are expected to effectively control surface settlement while constructing city subway in soft ground excavation
摘要針對深圳地鐵淺埋暗挖隧道施工中影響地表下降及地層變形的因素，提出了遵循「十八字」原則、改善土體特性、適度排放地下水、根據地層條件選擇施工方法、增大左右線隧道開挖面的距離、合理確定開挖進尺、提高施工效率、加強初期支護、及時施作二次襯砌等對策。 -
The main innovation of our method is that we only need construct polygonal mesh possessing simple symmetric properties on both sides of control polygon edges of interpolated curves, and do n ' t need modify the subdivision rules near the interpolation curves during the process of subdivision. thus the subdivision rules are simple. the process is convergent and the limit surface is c everywhere except a finite number of points
該方法的主要創新思想是，在被插值曲線的控制多邊形兩側構造具有簡單對稱性質的多邊形網格，而在細分過程中，則無須修改被插值曲線附近的細分規則，兇此細分演算法是簡單的，細分過程是收斂的，且最終的插值曲面除有限個點外是c ~ 2連續的。 -
Its accomplishment is simple and intuitional. the main innovation of this method is that we only need construct a symmetric zonal mesh for each interpolated curve respectively and write appropriate knot spacings for mesh edges. then applying nurcc rules to the initial control polygonal mesh consisting of those symmetric zonal meshes can generate a surface that satisfies interpolation constrains
該方法的主要創新思想是在被插值曲線的控制多邊形兩側構造具有簡單對稱性質的四邊形網格，稱為對稱網格帶，但關鍵還在於對網格邊賦予適當的節點距，並對由這些對稱網格帶組成的初始控制網格應用非均勻有理catmull一clark細分規則，來生成滿足插值要求的曲面 -
In order to relatively hold up mud and sand on the spot and control deposition, we should control head channels, branch channels, main channels on slope surface comprehensively
通過採用溝頭、支毛溝、干溝及坡面的綜合治理，實現相對就地攔截泥沙，從而達到控制庫壩淤積的目的。 -
The main difficulty along with approximating to object ' s surface with multi - nurbs patches is that one must deal with more control points, especially the control points around the jv - patch corner because of the intertwining of the geometric continuous constraints along the boundaries converging on the corner
用nurbs曲面分片逼近物體表面帶來的問題就是要處理大量的控制頂點，特別是n面角附近的控制頂點更需要特別處理，因為曲面片之間的幾何連續約束在角點處互相纏結。 -
Identification of wire core : the color of main wire core is red green white. there are printed numbers on insulated surface of control wire
線芯識別：主線芯採用絕緣分色識別，顏色標志為紅綠白分成二組。控制線採用絕緣表面列印號碼識別。 -
The main contributions of the dissertation are as follows. in chapter 2, the dissertation demonstrates the design of an airfoil model with a control surface driven by an ultrasonic motor as the actuator first, and then presents the experimental modeling of the actuator
論文的主要工作與學術貢獻如下: （ 1 ）設計了以超聲電機為作動器驅動控制面的二維翼段模型，並建立了作動器的傳遞函數模型。 -
In microfluidics systems, many parameters influence on the flow moving and control, for examples, microchannel surface characters, section shape. in this paper the main work is the research on the mechanism forming electroosmoticflow, theory analysis and simulation on the influence of the geometry parameters on the microflow. this paper reviews the development history of dc electroosmotic micropump and introduces the principle of electric double layer and dc electroosmotic micropump
在微流控系統中微通道的表面特性、截面形狀等都會對電滲流流體的流動和控制產生影響，因此本文的主要工作內容就是對電滲流的產生機理進行研究和對微通道的幾何參數對其中的流體的流動狀況的影響進行分析。 -
The main features of this system are : ( 1 ) design and calculate stable fiber paths fulfilling all technical requirements ; ( 2 ) update of the geometry of the mandrel surface with the increase of the thickness ; ( 3 ) the transfer of laminate data to fea - program for detail stress analysis ; ( 4 ) generation of the control data file for four axes winding and ( 5 ) the real time simulation of fiber paths and machine paths
該系統主要特點有1 ）設計和計算穩定的纖維路徑； 2 ）隨厚度變化自動更新芯模曲面形狀； 3 ）為有限元分析提供路徑網格數據； 4 ）生成用於四軸纏繞機的運動控制指令數據以及5 ）纏繞過程三維圖形模擬。 -
Based on the requirements of high precision pointing / targeting of advanced spacecraft, dynamic modeling of spacecraft with flexible appendages bonded with piezoelectric sensors / actuators, attitude control and active vibration suppression theory are studied deeply in this dissertation, which is funded by the research fund for the doctoral program of higher education of china item ? “ large flexible multi - bodies structure spacecraft active vibration control technology ” ( 20050213010 ). the main contents of this dissertation are as the follows : an approximate analytical dynamic model of a flexible spacecraft with surface bonded piezoelectric sensors and actuators is derived using hamilton ’ s principle with discretization by the assumed mode method. the model is then converted to state - space form for the purpose of control design
本學位論文結合高等學校博士學科點專項科研基金「撓性多體結構衛星主動振動控制技術研究」 （ 20050213010 ）課題，從理論上對粘貼有壓電智能元件的撓性航天器的建模、姿態控制和主動振動控制理論等展開了深入的研究，其研究內容主要包括以下幾個方面:利用hamilton原理推導了撓性航天器的動力學模型、壓電元件的作動方程及檢測方程，並採用模態分析方法，進一步將撓性航天器的耦合方程規范化，使之適應于姿態控制系統的分析和設計。 -
The main idea under controller design is damping model nonlmearities with control input to force the system dynamic into a linear sliding surface and utilizing dynamic filters to ensure the boundedness of states, inputs and outputs. the mismatched model uncertainties are suppressed with extra items in control input
Dsc控制器通過對消系統非線性項，將系統動態驅至線性滑模態；引入動態濾波器，確保系統的狀態及輸入輸出有界，同時避免了對非線性模型多次求導帶來的復雜性；在虛擬控制輸入中利用附加項來克服不滿足匹配條件的不確定性。 -
Surface temperature uniformity, control precision and rise time are main performances of hotplate
熱板的表面溫度均勻性、溫度控制精度、溫度上升速度等是熱板的主要性能指標。
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