以场源为中心，在一个波长范围内的区域，通常称为近区场，也可称为感应场。近区场通常具有如下特点： 近区场内，电场强度与磁场强度的大小没有确定的比例关系。即：E#1377H。一般情况下，对于电压高电流小的场源(如发射天线、馈线等)，电场要比磁场强得多，对于电压低电流大的场源(如某些感应加热设备的模具)，磁场要比电场大得多。
...f an arbitrary current source-3D高导电的任意电流源领域的渗透物体散射的近区场-知来论文发表中心 Keywords: Near-zone field, highly conductive object, impedance boundary conditions. 1.
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近区场（Near-Field Region） 2 r （或 1 kr ）的区域称为近场区，此区域 内： 3 2 1 1 1 kr kr kr 1 jkr e 近区电磁场表达式为： 3 0 0 2 cos 1 r l I j E r...
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... near-zone sounding 近距测深 near-zone electromagnetic field 近区场 near-zone magnetic transient sounding 瞬时磁力探测法 ...
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近区场强 Near region field strength
感应近场区 reactive near-field region
辐射近场区 radiating near-field region
近场区 [地物] near-field region ; Near Field ; near field region
近区电磁场 close-in electromagnetic field
近岸区台风风场 wind field of alongshore typhoon
电抗性近场区 field region reacive near-field
近场区与远场区 Near field and far field
对两种测量光纤折射半剖面的方法：干涉显微镜法和近区场法，进行了评价。
Two methods of measurement of the refractive index profile in optical fibers: interference microscope method and near field method are evaluated.
分析电偶极子在无限大各向异性媒质中的辐射场，得出了近区场的级数表达式。
The radiation of an electric dipole in an infinite anisotropic plasma medium is analyzed. The near field expression is obtained by pursuing the Fourier transform.
整个体育场都看到了亨利速度前插向近门柱，冲进了6码区，但阿尔维斯看到了前方空位的佩德罗。
The whole stadium could see Henry racing towards the near post into the middle of the six-yard box but Alves could see Pedro all alone beyond him.
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