Project bend pipe to Inclination Plane and Azimuth Plane, so turn complicate 3-D problem to two 2-D bend problem .
深入了解扶正器工作机理后，将弯曲管柱分别投影到井斜平面和方位平面上计算，从而将三维问题转化为二维问题。
The inclination and the blurred point image size on the image plane are derived.
文中导出了这一像面的倾角和其上子午弥散大小。
The angular displacement of reflecting surface is measured in accordance with the direction change of Moire fringes caused by the inclination of grating. self-imaging plane.
利用光栅自成象面的倾斜引起莫尔条纹方向变化来测量反射表面的角位移。
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