datum surface 中文意思是什麼
datum surface
解釋
基礎面-
It not only gains the physical contrastive datum mark, but also improves the blm stability. cyclic voltammetry is used to study the characteristic of blm attached to metal surface, as the forming of blm, the voltammetric characteristics of blm, the selection of ion and measurement of different ki concentration
就以上提出的處理方法，採用循環伏安法詳細研究了金屬表面所覆blm的基本性質，如：膜形成液的配製、膜的形成、膜電阻、膜的伏安特性、膜的擊穿電壓、離子的識別性及對不同濃度的碘化鉀溶液的測試。 -
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。 -
To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4
根據山前帶的地震地質條件特點，本文主要研究了以下幾個方面的內容： 1 、對以往山前帶地震攻關成果開展調研工作，分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性； 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法：如何建立復雜構造帶的表層、深層地震地質模型，利用正演分析目標區的觀測系統；針對逆掩推覆體構造，如何分區分段有針對性設計觀測系統等； 3 、針對復雜地表條件的山地山前帶，如何選擇激發方式、參數，如何優選激發、接收環境，如何保證不同激發方式的資料能正常拼接； 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。 -
At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production
並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。 -
Then the non - interventional condition is that the relative geodesic curvature is zero. furthermore, for the transmission of the parallel or crossing axles, if the datum surface is the pitch one, the non - interventional condition is naturally satisfied
考慮到平行軸的法向圓弧齒輪傳動已臻成熟，論文重點研究了相交軸與交錯軸條件下法向圓弧齒輪傳動的基本方案。 -
The in - situ testing includes surface deformations, sub - surface movements, earth pressures, pore water pressures, underground water levels, spt, stresses of pipes and pipe - soil contact stresses. in addition, the total jacking forces, deviations in line and level of the pipe line and earth pressures in the earth pressure balance machines ( epbm ) are also recorded. the results of field - testing are analyzed, and the variety of testing datum include earth pressures, pore water pressures and underground water levels during the course of the shield through it are studied
現場測試內容包括地面變形、深層土體變形、土壓力變化、孔隙水壓力變化、地下水位變化、土體標準貫入試驗、管道內力變化、管土接觸應力變化以及頂管施工現場記錄（包括頂力、土壓力、平面偏差、高程偏差等） 。 -
The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board
摘要對3種機型拖拉機的支重輪與履帶板之間的接觸應力分別在3種工況下進行了有限元分析，得出接觸應力分佈的規律及其最大值，為解決支重輪和履帶板的塑性變形問題及摩擦磨損行為分析提供了有價值的參考數據。 -
Campus figure high datum, dem of model, cheng can be used to set up the geometirc model of topography, the aviation image of the campus is the most direct, main source of the topographical lamination data, in a situation that the condition is permitted, you had better collect penetrating the aviation image of digitization of campus, the lamination data of the earth ' s surface can be obtained from penetrating the aviation image directly at this moment, the operation of shining upon of lamination is more convenient too
校園數字高程模型dem數據可用以建立地形幾何模型，校園航空影像則是地形紋理數據的最直接、最主要的來源，在條件許可的情況下，最好能收集到校園數字化的正射航空影像，這時地表紋理數據可以直接從正射航空影像上獲取，紋理映射操作也比較方便。 -
This article determine the location and transporting datum, and the machining step and method of various machining surface, deciding the machining procedure, compiling the machining process sheet, and making the cycle analysis according to the design principle of the production line, together with the process feature of the 4g1 cylinder block
本文根據生產線設計原則，結合4g1缸體的工藝特點，確定了定位和輸送基準及各個表面的加工方法和加工步驟，確定了加工工藝流程，編制了機械加工工藝卡並進行了節拍分析。 -
The third chapter introduces the physical mechanism of sea surface wind firstly, then simulate five cases and contrast all results. based on the third chapter, the fourth chapter forecast case a with t213 datum and kzsy test and analyses the result in detail
為分析方便第三章首先分析了海面風的物理機制，然後針對幾個海面風個例進行了5組模擬試驗，並對其結果進行了對比分析。 -
Based on the flight datum of a300, the mathematical models and the normal control law of uav are built. separating the traditional flight control surfaces into several independent portions, we can reduce the influence of the control surface each and add redundance to the systems at the meanwhile
採用將傳統操縱面分離成為各自獨立的操縱面的方法，提高了操縱面的綜合作用效果，因而使無人機具有了傳統飛機所沒有的操縱面控制冗餘。 -
We scan photographs of tissue slices to get 2d data and then these data are classified and transfer into 3d data which are saved into database. we do geometric construction by contour connection algorithm and render the tissue using volume data based on surface. some algorithms used widely are compared in this article and implemented in the experimental system : simulating lost datum by linear interpolation, adjusting surface profile by twice bezier interpolation, dealing with some special normalized vector
通過掃描輸入的人體組織的切片圖象，獲得組織的二維信息，再將這些二維數據經過分類和轉換，把它們轉換成對應的三維體數據，在數據庫中保存：然後採用contourconnection演算法進行幾何重構，用三角面進行等值面擬合，實現基於等值面的體數據的三維圖像繪制。 -
First, the hydrogeological conditions and characteristics are gathered up and the hydrogeological concept model is generalized. next, through collecting completely and analyzing systematically the rainfall, evaporation, surface runoff and observation datum of the groundwater water level, all hydrogeological parameters of this area is defined, then mathematical model of groundwater of dagu river is built
首先概括大沽河地下水庫的水文地質條件與特徵，概化出該區水文地質概念模型，然後通過全面收集和系統分析研究區的降雨、蒸發、地表徑流、灌溉和地下水水位常觀資料，確定該區的各項水文地質參數，進而建立了該區地下水的數值模型。
分享友人