datum plane 中文意思是什麼

datum plane 解釋
【測】基（準）面。

  • datum : n. （pl. data ） 〈拉丁語〉1. 〈常 pl. 〉 數據，資料。2. 論據，作為論據的事實。3. 【數學】已知數。4. 【測】基點，基線，基面。
  • plane : n 懸鈴木屬樹木。n 1 平面，水平面，面。2 （知識等的）發達程度，水平，階段。3 【航空】機翼面；〈常 ...
  1. Tidal height datum plane of the station

    測站潮高基準面
  2. The datum plane of system is made certain and its veracity is proven by experiment. the result indicate that the laser rotating check system has very high precision and sensitivity and display the check result with number

    得到的實驗數據表明：本課題研究的掃平儀檢測系統具有很高的檢測精度與靈敏度，並實現了檢測結果的數字顯示，在掃平儀的生產中具有一定的實用價值。
  3. Fourthly, this paper standardizes the linear of the inductance sensor and analyzes its error. then we discuss the angle error of the laser sensor and the datum plane error of the mechanism. finally, the paper gives some advice to improve the mechanism

    第四，此外，本文還對電感傳感器進行了線性校正及誤差分析，討論了激光傳感器傾角誤差，並對機械設計中的定位結構進行了誤差分析，提出了改進的措施。
  4. At present, a datum plane - conversion scheme is introduced in the sight system of active ground - to - ground missile. in this scheme the datum plane of sight system is transferred from inertia combination to missile terminal, and the angle of two datum planes is measured at the technical position

    目前，常規導彈在瞄準中採用了基面轉換方案，將導彈瞄準基面由慣性組合轉換到彈體尾段，兩基面夾角在技術陣地測量。
  5. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  6. 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。
  7. The author emphasized on the research of the process of tidal flat hydrodynamic and the process of total nitrogen, total phosphor dynamical transportation and got the conclusion as follows : ( 1 ) open tidal flat of dong tang chongming yangtze estuary was chosen as research object and two typical section plane was set up in order to measure four seasonal hydrology element and get index datum such as water level, current direction, current speed

    得到如下結論： （ 1 ）以長江口崇明東灘敞開型潮灘為研究對象，設置了兩條代表性斷面，實測了四個季節的水文要素，獲得了包含水位、流向、流速等指標數據。
  8. Cut plane datum only illustrate recharge and drainage relationship of part areas of the river, even though we conclude qualitative conclusion through cut plane datum, but we must make further research from qualitative conclusion to quantum

    剖面資料僅能說明局部河段補排關系，代表整個沖積平原河水與地下水關系有其局限性。灌區與河道地下水補排關系，盡管從剖面分析得到了定性結論，但從定性到定量還需進一步研究。
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