The moment of method (MOM) and finite difference time domain (FDTD) are used to calculate the EM scattering from the 3D complex target.

利用矩量法（MOM）和时域有限差分法（FDTD）对复杂目标模型的电磁散射进行了数值计算和分析。

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For the precise location of laser spot center on the complex target, a method based on residual pruning with geometric feature constraints is proposed.

为满足复杂靶标背景下激光光斑形心的高精度定位要求，提出了一种基于几何特征约束残差修剪的定位方法。

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The key and difficulty of the modeling is how to solve the problem that different parts of the complex target occlude each other and light scatters in the target.

对于卫星等复杂空间目标，进行光散射建模计算的关键点和难点是解决复杂目标不同部件之间的遮挡关系和光线在目标内部的再次散射问题。

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Malaria is caused by a complex parasite that makes it hard to target with a vaccine.

VOA: standard.2010.01.20

Many of these cases target complex international cartels and involve many victims.

WHITEHOUSE: Council on Women and Girls Blog

This time, he is based in a more secure military complex, and Apache helicopters are a target for Taliban attacks regardless of whether Prince Harry is piloting them or not.

CNN: UK's Prince Harry deployed to Afghanistan

My model that determines the probability of reaching a long-term target is multi-dimensional and quite complex.

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