Its application to the physics and electrotechnics and so on need to be studied further.

复数在物理学、电工学等其他领域的应用须进一步研究。

Circuit parameter calculation in the book "Electrotechnics" is the basis of the circuit analysis and design.

《电工学》中电路参数的计算是电路分析与设计的基础。

The utility model relates to the technological field of electrotechnics, particularly an alternating-current transducer.

本实用新型涉及电工技术领域，尤其是涉及交流变频器。

According to the principle of electrotechnics, how to carry out power differential theory of power transformer is discussed.

从电工学基本原理出发，详细讨论了变压器有功功率差动保护原理如何实现的问题。

A lot of subjects, such as science of materials and structures, electrotechnics, signal processing, are involved in this research.

本文的研究工作涉及材料学、结构学、电工学和信号分析与处理等多个学科。