减少反应器内部的自由空间，是提高流场品质和化学气相沉积效果的关键。
It is key to improve the chemical vapor infiltration quality that reducing the free-space in the CVI reactor.
本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。
This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
最后，模拟了柱面波在自由空间中的传播及空心圆柱体在柱面波入射下的近场和远场散射特性。
In the end, the propagation of cylindrical wave in free space, and the hollow cylinder scattering characteristics in near field and far field is completed when it is initiated by cylindrical wave.
文章提出一种横向激发的任意线偏振高斯光束，该光束场量的模与传统的任意线偏振高斯光束具有相同的模，在源场区，其满足自由空间无源场的场方程。
The author bring forward a Gaussian optical beam in a transverse-linearly-polarized state, the expression of its module is the same as the scalar Gaussian beam.
文章提出一种横向激发的任意线偏振高斯光束，该光束场量的模与传统的任意线偏振高斯光束具有相同的模，在源场区，其满足自由空间无源场的场方程。
The author bring forward a Gaussian optical beam in a transverse-linearly-polarized state, the expression of its module is the same as the scalar Gaussian beam.
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