In aircraft vulnerability analysis, it is necessary to calculate the projectionareas of the aircraft and its critical components facing against the attacked direction.
在进行飞机易损性分析时,需要计算飞机及各部件在垂直于来袭方向的投影面积。
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An alternative and arguably more rigorous approach would be to repeat the exercise using an "equal area" projection that shows the countries' areas correctly while minimising shape distortion.
It first processes original images using cylindrical projection, and then realizes seamless mosaics of images by matching and fitting related featured areas in the overlapped parts of images.