FDTD算法作为一种较为成熟的电磁数值计算方法，它在处理电磁问题方面具有简单、直观、灵活的特点。

With the characteristic of simplicity, generality, and flexibility, FDTD has many advantages in dealing with electromagnetic problems.

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矩量法(MOM)是一种有效的分析复杂目标电磁特性的数值计算方法。

Method of moments (mom) is an efficient numerical method for the analyses of electromagnetic characteristics of complex objects.

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因此，电磁场的数值计算技术，探索新的计算方法，是一个很有价值的课题。

So, numerical calculation technology of electromagnetic field and imploring a novel calculation method are great value subject.

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