曲線和直線 的英文怎麼說
中文拼音 [qūxiànhézhíxiàn]
曲線和直線
英文
freehand strokes/straight line strokes- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
- 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
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Liang qi - chao believed that history is evolving constantly and the " evolution " is limitless ; it is progressive but has twists ; it is in a spiral ascendance rather than in a straight line
摘要梁啟超認為歷史是「進化」的,它具有進步性和曲折性,呈無極限之螺旋狀而非直線上升。Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number
另外,正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化,而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。The result of mixing these two air masses can be around anywhere on the straight line joining b and s. notice that part of the line lies
這兩團混合起來,結果落入b與s相連的直線附近。留意直線部份處在均衡曲線以上,即超飽和。Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed
本文就曲線寬頻帶線天線的數值分析方法展開研究,首先介紹了寬頻帶天線的發展,實現天線寬頻帶的常用方法和曲線天線的研究現狀,然後在直線加載天線滿足的方程的基礎上用兩種方法推導了曲線天線滿足的推廣的海倫積分方程( mei 』 s方程) ,討論了不同基函數下方程的數值解法。The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve
導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非圓曲線的節點計算過程Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed
為此提出一種屏幕展開方法,此方法的基本要點是,以扭曲面末端垂直線和底部起坡線所在的平面為基準面,將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面,即可形成展開圖。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process
在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。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。Because spca720a does n ' t support float calculation itself, and the color level and the luminance level of every point on tv screen is related with the other 4 point around it, it ' s hard to draw curve and slash. in fact, we choose to draw vertical line and horizontal line the approximate the curve and slash
由於spca72oa本身不支持浮點數運算,並且tv中的每個點與它的色度和周圍的4個點的亮度有關,畫曲線和斜線比較難于實現,所以在實際實現中,我們用畫水平線和垂直線來近似曲線和斜線。Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation
其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日( 24小時)降水非均勻性的事實,直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型,與月降水量的水平空間分佈型略有不同;基尼系數值的月際變化也與月降水量的變化相反。On the basis of relationship between meshing rigidity and noise and taking the modification, vibration deduction and noise dropping as the aims, the tooth profile modification was carried out on spur bevel gar by the use of revolving involute curve
摘要根據嚙合剛度和噪聲之間的關系,以修形減振降噪為目的,用旋轉漸開線曲線對直齒錐齒輪進行齒廓修形。Read horizontally to flow rate curve and vertically downward to flow rate gpm
讀出水平線上的流量曲線和垂直線下方的的流量(加侖/分鐘) 。Their representatives are simple and direct. we call them as t - bezier curves and t - b - spline curves
它們繼承了b zier曲線和b樣條曲線的特點,曲線表示簡單、直觀。To characterize scale - free network topology more intuitively and profoundly, lorenz curve and gini coefficient which describe income inequality in economics are generalized into complex networks where people in economics are corresponding to nodes in networks and income is corresponding to node degree
摘要為更深刻直觀地定量刻劃無標度網路的拓撲性質,將經濟學中描述收入分配不均等程度的兩個重要概念:洛倫茨曲線和基尼系數推廣至一般的復雜網路。When putting the static curve with the elongation of 1. 4 and the dynamic curves in different pressure together, we can find that the slope coefficients of the static curve increase with the growth of radius
把伸長比為1 . 4時的靜態曲線和三種壓力水平下的動態曲線放在一起,從靜態曲線可以看出,當直徑增大時,曲線的斜率也逐漸增大。The traditional evaluation method is to build the vehicle model with mathematical differential equation, then pre - evaluate its comfort performance in the frequency domain. all the conclusions are interpreted and expressed in curve and data, which is invisual and lack of interactivity
傳統的分析方法是對車輛進行抽象簡化,建立其振動微分方程,通過在頻域范圍求解預估其平順性,分析結論都以曲線和數據來表示,缺乏直觀性和交互性。In the algorithm, the convexity - concavity of vertexes and arcs must be identified, and a fast approach for identifying the convexity - concavity of line - arc closed curve is proposed. firstly, the orientation of a closed - curve is determined by constructing a new convex polygon. secondly, by using the orientation of the closed curve the convexity - concavity of vertices and arcs are identified
在演算法實現過程中,由於需要對圓弧和直線段組成的封閉曲線的頂點、圓弧的凸凹性進行判定,本文提出了一個圓弧和直線段組成的封閉曲線凸凹性快速判定方法,該方法首先通過構造一中介凸多邊形求出封閉曲線的方向,然後根據封閉曲線方向確定頂點及圓弧的凸凹性,進而確定封閉曲線的凸凹性。But there is no significant difference between the range of radius of the dynamic and the static curves
而在相同壓力水平下,動態和靜態曲線的直徑變化范圍並沒有明顯的差異。分享友人