常坐標 的英文怎麼說

Sea area measurement usually uses gps timely processing the position data for the boundary of sea area, and then calculating the area of anomalistic area

摘要海域面積測算通常使用gps定時測定待測海域邊界位置點的地理坐標，再求取其圍成的不規則區域的面積。

Grid line values are usually placed in the margins of the map.

直角坐標網線值，通常均配置在圖邊。

Expert analysis thinks, because urbanite often sits the office, often can have the trouble that lumbar acerbity leg is fond of, still have the occupational disease that a few special type of work bring, the fatigue meeting on the body causes the exhaustion of mentally ; the industry rises to the demand of diversity talent, the uncertainty of prospective duty field created pressure to employee greatly ; additional, in the individual the meeting when struggling target encounters development bottleneck produces psychological exhaustion

專家分析認為，都市人由於常坐辦公室，會經常有腰酸腿疼的毛病，還有一些非凡工種帶來的職業病，身體上的疲憊會引起心理上的疲憊；企業對于多元化人才的需求提高，未來職場的不確定性在很大程度上給員工造成了壓力；另外，在個人奮斗目標碰到發展瓶頸時會產生心理疲憊。

Since the gear engagement is a common coupling form between rotors, the transfer matrix of skew gear engagement in global coordinate system is deduced based on the concept of coupling element

齒輪嚙合是轉子之間常見的一種耦合形式，根據耦合單元的概念，推導了在全局坐標系下斜齒輪嚙合的傳遞矩陣。

According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

運用非牛頓流體力學理論和數理方法，結合抽油泵柱塞運動特點，假設液體為不可壓縮的，液體在縫隙中流動的水力半徑很小，呈層流流動，柱塞在每一位置的瞬間，流動做定常流處理，建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件，引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度，並給出縫隙流流速、流量的解析解。

When a solid regionin three - space is symmetric with respect to a point, the evaluation of triple integrals over is often facilitated by using spherical coordinates

當空間立體區域關于某個點對稱時，計算上的三重積分通常使用球坐標比較容易。

Sheet edges are normally either graduate lines or grid lines.

頁面圖廓，通常不是經緯網線，就是直角坐標網線。

A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。

The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

簡便，其計算結果與現有其他程序計算結果基本一致：開發固體制劑體外溶出試驗數據處理程序，程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節，實現了累積釋放百分率的自動計算，同一坐標系下釋放曲線的直觀比較，常用數學模型的擬合；開發基於人工神經網路的處方優化系統，解訣處方優化這一多目標、非線性優化問題，利用符合擬合精度的訓練結果預測給定處方的釋放度，預測結果與實驗結果基本相近。

Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象，從以速度和壓強為自變量的微分方程一navier一5tokes方程出發，利用有限差分法對柱坐標系下簡化后的n一s方程進行離散，建立定常的、軸對稱的三維計算模型。

When a solid region in three - space has an axis of symmetry, the evaluation of triple integrals overis often facilitated by using cylindrical coordinates

當空間立體區域有一個對稱軸時，計算上的三重積分通常使用柱坐標比較容易

We take the center of well as the origin of coordinates. we noticed that the electron ' s effective mass is different in the well and in the barrier, but did n ' t pay attention to the mismatch of the dielectric constant

33 ）量于階中心，把量子階中心選作坐標原點，考慮了在階中和壘中電子的有效質量的不同，但沒有考慮在階中和壘中介電常數的失配性。

This paper investigates the condition and actual problems of civil airplane development, and then brings forward the plan that the correct management concept must be set up first, and we improve on the management process with this idea : in view of the complication and the condition of civil airplane development, general organizing structure in project management, we redesign the organizing structure - the strong matrix based the tetrahedral coordinates. analyze the management job of the civil airplane development, then research management process with the idea of project management, set up the new whole work flow. research some work flow such as risk management as a hotspot in project management

本文針對民用飛機研製的現狀及存在的問題，提出了必須建立現代項目管理理念，用項目管理的思想來改進民機研製的管理流程：針對民機的復雜性，結合項目管理常用組織結構和民機研製項目現有的情況，對民機研製的組織結構進行了重組，建立了基於「四坐標」管理的強矩陣組織結構；在對民用飛機研製的管理工作充分分析的基礎上，按項目的生命周期，用項目管理的方法對民機研製的管理流程進行了研究，建立了新的、符合項目管理要求的民機研製項目總體流程；研究了民機研製項目具體工作流程。

It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling

以面向對象的設計方法為基礎，利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成；應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限，生成了基於土壤養分和目標產量為主要因素的施肥處方；利用鬆散耦合技術將comgis與施肥專家系統進行有效集成；充分考慮施肥機對施肥處方數據結構要求，在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。

Second, the coordinate figure of the first and second principal components is of great audio - visual sicnifcance. it can clearly show the distinguishing feature and similarity. this is a very useful analyzing means. third, the factor analysis can be used completely to analyzing the aligning datas in time, its calculating results reflect totally the developmental trend and changing reasons of the textile industry in tianjin

分析結果表明： （ 1 ）在適當選取指標后，使用主成分分析法，可以將第一主成分作為一個地區綜合經濟實力的度量，其公式具有穩定的系數且結果可靠可信： （ 2 ）主成分坐標圖（如圖3 ）具有很強的直觀意義，各省市的特點及相似性都非常清楚地展示出來，這是一個很有用的分析工具； （ 3 ）因子分析法完全可以作為時間序列數據的實證分析，其計算結果客觀全面地反映出天津紡織工業的發展趨勢及其變動原因。

Under the assumptions that media are piece wise, and that the permittivity of each piece can be expressed as a polynomial with limited terms, all oefficients of permittivity function of each piece, which maximize the objective function, are determined by genetic algorithm piece by piece

在假設地下介質是分塊的，且每塊介質的介電常數可以用有限項的與空間坐標有關的多項式函數來表示的前提下，用遺傳演算法由淺至深逐塊確定使目標函數達到最大的多項式函數的各項系數從而確定介電常數。

A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

論文將動力系統非線性分析的正規形理論應用於互聯系統低頻振蕩分析中，利用正規形方法的非線性坐標變換，將高階電力系統轉化為等價的低階系統，在保留非線性信息的同時，使其仍然可以使用常規小信號穩定研究的模式分析方法。

Although it can fulfill the queries and operations on the sequence data, it can not find the sequences or subsequences which have the same or approximately same pattern with the query sequences. it is necessary to extend the capability of the queries to find the hidden knowledge in the database

時間序列數據庫描述、存儲時間序列數據並提供各種查詢操作，通常這些操作都是基於序列元素的值或者時間坐標進行的，無法實現對序列數據庫中所蘊含知識的查詢。

The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

國外生產的汽車動力轉向泵是用數控機床加工的，其噪聲值為71db （ a ） ，國內生產的汽車動力轉向泵是用靠模方法加工的，其噪聲值分別為73db （ a ）和75db （ a ） ，為了分析定子曲線對泵的噪聲的影響，本人用三坐標測量儀對定子內表面進行精密測量，獲得定子內表面的離散點坐標，以matlab語言為工具對離散點進行曲線擬合，觀察擬合效果，然後，用回歸方法求出了定子過渡曲線的方程，並把該方程與理論方程標準型進行了比較，得出如下結論：用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型，而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較，則存在著較大的誤差，結合噪聲測試結果可知，定子過渡曲線的優劣，對泵的噪聲大小有著重要的影響。

According to flight dynamics, a particle model and an attitude model in launching coordinate system and in quasi missile body coordinate system are established, the influence imposed by constant wind, thrust bias of the motor and connection bias are analyzed

應用飛行動力學理論，建立了發射坐標系與準彈體系下助推段和分離過程質點運動和姿態動力學模型，分析常風干擾、發動機推力偏差和裝配誤差影響等。