模拟通信系统是指在用户线上传输模拟信号的通信方式。
现有电磁兼容发射限值主要是基于对模拟通信系统的考虑而制定的准峰值限值，它反映人的听觉系统对模拟语音信号的主观感知。
The existing limit of emission is quasi-peak (QP) value which is made to protect analog communication systems. QP value reflects human's auditory perception properties for analog voice signals.
SRC是一家先进工程公司，提供信息、通信、情报、电子战、模拟、训练和仪器系统的服务和解决方案。
SRC is an advanced engineering company that provides services and solutions for information, communications, intelligence, electronic warfare, simulation, training and instrumentation systems.
演习模拟了一次协同网络攻击，目标是信息技术、通信、化学和交通系统与设施。
The exercise simulated a coordinated cyber attack on information technology, communications, chemical, and transportation systems and assets.
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