Q (a)、直角坐标法 (Rectangular Coordinate Method) B M P N y C 直角坐标法 A x o 极坐标法就是利用放样点方向与已知方向的夹角及 放样点与已知点的距离从而在实地确定放样点。
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In a. plane rectangular coordinate system, mathematics simulation of the change of moisture content in a corn kernel during tempering is presented by the finite element method.
在平面直角坐标下，利用有限元方法，对玉米颗粒在缓苏过程中的含水量变化进行了数学模拟。
Compared with conventional wide Angle BPM in rectangular coordinate system (RCS wa BPM), much better results are obtained with this method especially for waveguides with large tilted Angle.
用坐标变换的倾斜坐标系中的广角光束传播法对光波导进行了分析。
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