求翻译：在校期间主要学习了以下课程：通信原理、移动通信、计算机网络通信、微波通信、光纤通信、扩展频谱通信技术、电磁场与电磁波、跳频技术，现代交换原理、数字电子技术、模拟电子技术、信号与系统、数字信号处理、微机原理与接口技术等.是什么意思？

During the school learned the following courses: communication theory, mobile communication, computer network communications, microwave communications, optical fiber communications, spread spectrum communication technology, electromagnetic fields and electromagnetic waves, frequency hopping technolo

In the main study period the following courses: Principles of communication, mobile communications, computer network communications, Microwave Communications, optical fiber communications, spread-spectrum communication technology, electromagnetic fields and waves, frequency hopping technology, moder

In school period mainly has studied following curriculum: Correspondence principle, mobile communication, computer network correspondence, microwave communication, optical fiber communications, spread spectrum communication technology, electromagnetic field and electromagnetic wave, frequency-hoppin

School focus on the following courses: principles of communication, mobile communication, Internet communication, microwave communication, optical fiber communications, spread spectrum communication technology, electromagnetic fields and electromagnetic waves, frequency-hopping technology, principle

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