双感应测井在油田现场应用非常普遍，其数据反演属于非均匀介质中电磁波逆散射问题范畴。
Inversion of dual induction logging measurements belongs to the category of electromagnetic inverse scattering in nonhomogeneous media.
理论上，作为太赫兹波产生的逆过程，有可能实现用空气作为介质探测脉冲太赫兹波。
As its reciprocal process, in theory, it should be possible to use air as the sensor to detect pulsed THz waves.
通过从如何减小逆变器的装置容量入手，根据矿井提升机的工艺特点，给出了斩波串级调速系统逆变变压器容量的设计方法。
From the angel of minimizing the inverse transformer capacity, a method to design inverse transformer capacity based on the technical features of mine-well hoist was given.
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