centerline 中文意思是什麼

centerline 解釋
分巷中心線
  1. Specifications for inset runway centerline lights

    跑道中線燈技術條件
  2. The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low - ered from the stored position to the centerline of the drill string

    兩個懸臂則固定在支架的內部結構上，並允許管架從貯存位置降到鉆柱中線上。
  3. Owing to the diameters of big and small pulleys are different, while the driving pulley rotates the differential mechanism will not stay at its original place and will make linear movement along the direction of centerline

    當主動輪轉動時，由於大小差動帶輪的直徑不同，差動機構就不會停留在原處，而會沿中心線方向上作直線移動。
  4. The structural vibration breakdown analysis research on the fighter - xx centerline drop tank ' s tail cone

    升機身副油箱尾錐振動故障分析研究
  5. Last centerline last centerline plane

    楦頭中心線切面
  6. Last centerline plane

    楦頭中心線切面
  7. Last bottom centerline

    楦底中心線
  8. The height of the base shall be sufficient so that the centerline of the suction elbow lines up with the centerline of the suction piping and shall include an allowance for grouting between the concrete base and the pump mounting pedestal in accordance with the pump manufacturer ' s recommendations

    根據泵製造商的建議，泵基座應該有足夠的高度，使得吸入彎頭的中心線能夠與吸入管道中心線連接起來，混凝土基座與泵安裝基座之間有足夠的空間用於灌漿。
  9. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度
  10. Abstract : it proposes a model for shaft centerline measurement and winding level, gives the coordinates transformation formula of measured data, and develops the program diagram for centerline measurement of wind - shaft

    文摘:提出了一種便於微機處理的軸線的空間解析表達方法以及軸線彎曲程度的表示方法，給出了軸線測量數據獲取方法與坐標轉換公式，提出了零件軸線彎曲時精密測量的一般步驟。
  11. The major work is as follows : 1 ) based on dry hull modal analysis of flexure - torsion coupling vibration of unsymmetrical ship structures about longitudinal centerline, a transfer matrix method to calculate the dynamic characteristics is adopted after the parameters of structures are specified. taken both shear effect and warping deformations into account, the point and field transfer matrices are derived, and the influence on dynamic characteristics is computed according to different damaged positions and areas

    其主要內容如下： 1 ）通過薄壁梁理論求得結構參數后，採用遷移矩陣法，在考慮剪切效應、轉動慣量和翹曲影響下，推導出求解破損船體結構的動態特性公式系統的場遷移矩陣和點遷移矩陣，並著重分析了船體不同破損程度和翹曲變形對船體振動的動態特性的影響。
  12. At the point of co = g > c, it is the hopf bifurcation that the rotor orbit of shaft centerline is the periodic whirl of small amplitude. the method is suitable for the multi - freedom system

    數值求解系統動力學方程，在_ c處，轉子軸心軌跡為極小幅值的周期渦動，此為hopf分岔，分叉后，系統運動為擬周期運動。
  13. Slightly left ( right ) of centerline 50 feet

    稍偏中心線左（右）邊50英尺。
  14. The mean profiles of reynolds stresses bear prodigious specialty, i. e. the lateral fluctuations at the centerline are inhibjied strongly and the longitudinal ones have the tendency of growing continuously, which is induced by the special symmetrical vorticity field

    雷諾應力分佈有很大的特殊性，即軸線的橫向應力被強烈地抑制，而縱向應力卻有不斷變大的趨勢，這是由於特殊的對稱渦量場結構引起的。
  15. Measuring and setting up the centerline from underground different points

    經緯儀導線多次獨立觀測量邊次數的探討
  16. The condensing length increases with the boiler heating power and air content increasing, while it decreases with the system pressure increasing. under the normal pressure, the wall temperature and the centerline temperature along the condensing length nearly remain constant for pure steam, while they decrease continuously for steam / air mixture. however, when the steam condenses over, the temperatures drops rapidly

    常壓下，純凈蒸汽冷凝時，有效冷凝段管壁壁溫基本保持不變，但是當蒸汽冷凝完畢進入過冷水階段后，管壁壁溫會急劇下降；蒸汽中含有空氣時，冷凝管中心溫度變化不大，但管壁壁溫始終呈下降趨勢。
  17. Consult factory for centerline to top dimensions ( open and closed ) for split wedge valves

    對于拼合楔形閘板閥門的中心線至頂端（開啟和關閉狀態下）的尺寸，請咨詢工廠。
  18. Note 7 - remarks as to the origin may take the form of a boring number and sample number in conjunction with a job number, a geologic stratum, a petrologic horizon or a location description with respect to a permanent monument, a grid system or a station number and offset with respect to a stated centerline and a depth or elevation

    注7 -對于原狀樣的記號可以採用下面的形式，一個鉆孔編號和一個樣品編號聯合一個工作編號，一個地質地層，一個巖石層位或者一個考慮為永久界標的原地描述，一個柵格系統或者一個測站編號和考慮到規定的中心線和深度或海拔的偏移量
  19. Centerline spacings and rail gauges for rollers of switchgear and instrument transformers

    轉換裝置和儀表感器的滾子的中心線間距和軌距
  20. Based on the arcobject com library supplied by arcgis, this paper develops network topological analysis functions. including the basic analysis functions and extended analysis functions. the basic analysis functions include the inspecting, supplying electric areas, finding supplying source, analoging the switch ' s off and on, network reconfiguring and automatic inspecting street centerline, etc. the extended functions include the unition of inside and outside of substation and singline in the background, etc

    本文實現了基於arcgis提供的com組件庫ao開發配電網路的拓撲分析任務。包括巡檢、供電半徑、追蹤電源點、模擬調度、網路重構、街道中心線自動巡視功能等基本拓撲分析任務，還有包括拓撲一體化、單線圖瀏覽功能的擴展拓撲分析任務。
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