numerical part 中文意思是什麼
numerical part
解釋
數值部分-
In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times
與傳統的電勵磁同步電機相比，永磁同步電機具有許多優良的特性，尤其是在要求高控制精度和高可靠性的場合，如航空、數控機床、加工中心、機器人等方面獲得了廣泛的應用，在現代交流電機中也佔有舉足輕重的地位。 -
On the basis of detailed field work and structural analysis, this paper presents a new geometrical and kinematic data that reveal the staictural characteristics of qinglong fault zone. this fault zone is composed of numerical ew faults with an arrangement of dextral step pattern in the western part, and consists of maquanzi - datun fault and tumenzi - mingshui fault in the eastern part
本文通過較為詳細的野外調查和室內研究，並結合前人的研究資料，以構造解析為指導思想，對斷裂帶的幾何學、運動學特徵進行了研究：青龍斷裂帶是由一系列近東西向的斷層組合而成，斷裂帶西段呈明顯的右行右列式分佈，東段主要有馬圈子?大屯斷裂和土門子?明水斷裂組成。 -
The study work includes three parts. in the first part, numerical methodology of three - dimensional discrete fracture network ( dnf ) model casing on hybrid bem - channel was presented, and the technique for improve the model ' s computing efficiency was also studied
首先，提出了一種基於混合邊界元?管流的改進的三維離散裂隙網路模型，並研究了提高模型計算能力的方法，使其可以具有更好的工程應用性。 -
Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china
研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。 -
In 3d geodynamics numerical simulation research, it is often required to mesh the whole earth or part of the spherical shell, and the size of mesh is much more important to our research
摘要在研究大尺度的三維地球動力學問題的數值模擬過程中，往往需要對整個球體或部分球殼生成計算網格，而且網格單元的尺寸對所研究的問題尤為重要。 -
From the numerical modeling results, it can be found that there is a clockwise gyre in the middle part of bohai sea, whether in wintertime or in summertime. in summer, the clockwise gyre corresponding to the high - temperature and low - density center in the middle bohai sea is mainly dominated by the density circulation. and in winter, it is mainly dominated by the wind stress curl
通過數值模擬結果發現，在渤海中部，無論冬季還是夏季，都存在一個順時針的渦旋運動，夏季，對應于渤海中部的高溫低密中心，其流場主體部分呈順時渤海冬夏季環流特徵及變異的初步研究針向旋轉，這主要是密度環流占優的結果，而冬季的順時針向的旋轉，主要是海面風應力旋度影響的結果。 -
The primary problem in using the method of numerical control manufacture - shot peen forming to manufacture the part on rough is to determine the size of the roughcast
採用毛坯數控加工-噴丸成形方法的首要問題是確定坯料結構尺寸。 -
Numerical study on flanging of v - shaped sheet metal part
型件翻邊成形的數值模擬 -
A numerical simulation of a planar 3r manipulator is performed. the results show that the non - linear torsion springs have important influences on the joint error and tip error of manipulators. moreover, the influences of linear part of non - linear, the lumped mass of the rigid links and the angular acceleration of joint actuators on the non - linear dynamic character of flexible joint manipulator are discussed
首先，建立了剛性桿非線性關節機器人的動力學模型，之後通過一平面3r機器人進行了數值模擬，說明了在一定情況下，關節的非線性對剛性桿機器人關節變形和末端誤差具有重要影響，並在此基礎上，討論了關節線性項、桿的集中質量和關節驅動加速度對機器人關節非線性特性的影響。 -
Finally, some simplification methods to the model were studied and a modified block elimination contraposing the features of the model ' s linear system was developed, which can greatly decrease the model ' s requirement to computer resources. in the second part, numerical methodology of hybrid techniques was developed, which uses dfn models developed in the fist part to build continuum approximations of fractured rock
第三，本文將一種用離散的水?氣分界面模擬非飽和滲流的數值模型擴展到裂隙網路中，為用本文所構建的離散裂隙網路模型模擬裂隙巖體成富擁要柳廳錄非飽和滲流提供了一個初步的框架。 -
In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study
在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務，但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統，通過構造各種向量馬氏過程和吸收向量馬氏過程，獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標，在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題，並利用mathematic軟體對費用函數進行了數值模擬。 -
Second, on the basis of the above study, the coupled relationship among parameters of every part of refrigeration system and air convection cool system of small - scale cold storage is deeply analyzed and some appropriate numerical techniques are put forward for dynamic simulation. a dynamic simulation model of the small - scale cold storage refrigeration installation is established and calculated
其次，在上述研究的基礎上，分析小型冷庫製冷系統和強迫對流空氣冷卻系統各部件參數的耦合關系，並採用適合動態模擬的計算方法，對小型冷庫模擬模型進行計算，計算結果和實驗結果吻合較好。 -
Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc
文摘:對鋁合金零件彈托在溫擠條件下的流變成形過程進行了數值模擬，其中包括對金屬在模具型腔中的流動情況、速度場、應力場、應變場、溫度場、節點力等的數值模擬。 -
Based on the comprehensive reviews about the developments in the field of flushing time of the estuary. two numerical methods about water exchange are discussed in the part
其次回顧了近年來河口海灣水體交換研究的最新進展，著重對河口水體交換的兩種數值方法進行了對比。 -
In the second part, a decomposition method for solving semidefmite quadratic programming with box constraints is proposed. a regular splitting of the hessian matrix of the problem is used in the algorithm. the convergence of the algorithm is proved under certain assumptions, the numerical results are also given
第二部分把解邊界約束正定二次規劃問題的正則分解演算法推廣到求解邊界約束半正定二次規劃問題，在理論證明的基礎上還進行數值檢驗，結果說明演算法是有效的。 -
The haas numerical machining center was done. the machine tool ' s part models were built up such as lathe bed, workbench etc, and all parts were assembled accurately according to the structure of the machine
本文以數控加工中心的haas機床為例，對機床的各部分零件如床身、工作臺等進行了三維實體建模，而且根據機床的結構對各部件進行了定位裝配。 -
Limits and fits - bases - part 3 : numerical values tables of standard toleranes and fundamental deviations
極限與配合.基礎.第3部分:標準公差和基本偏差.數值表 -
Numerical control of machines - nc processor input - basic part program reference language
數字控制機床的數控處理程序輸入基本零件源程序參考語言 -
In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method
兩方程湍流模型為基礎的壁面函數處理方法，對熱浮升力項採用了boussinesq假設，得到了收斂的溫度場、速度場分佈。在此基礎上，給出了熱力分層高度的計算方法，並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。 -
The system of ultrasonic flaw detector is very big and complex. in this thesis, we only wage numerical part ( include in data compactor part, data transmission partand pc controland display part ) on concrete function module design and software programing
超聲探傷儀系統較為龐大且復雜，這里僅對其數字部分（包括數據壓縮部分、數據傳輸部分及pc端控制顯示部分）進行了具體功能模塊設計及軟體編制。
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