'megahertz'这个词语来源于英语，中文翻译为“兆赫”。
例句：
1. This computer processor has a speed of 2.2 megahertz. (这台电脑处理器的速度为2.2兆赫。)
2. The radio station broadcasts on the frequency of 98.5 megahertz. (这个电台的频率为98.5兆赫。)
3. The phone company is upgrading their network to support 4G LTE technology with a frequency band of 700 megahertz. (这家电话公司正在升级他们的网络，以支持700兆赫的4G LTE技术。)
4. The microwave oven operates at a frequency of 2.45 gigahertz. (这个微波炉的频率为2.45千兆赫。)
5. The Wi-Fi router broadcasts at a frequency of 2.4 gigahertz. (这个Wi-Fi路由器的频率为2.4千兆赫。)
6. The satellite TV has a bandwidth of 36 megahertz. (这个卫星电视的带宽为36兆赫。)
7. The heart rate monitor operates at a frequency of 5 kilohertz. (这个心率监测器的运行频率为5千赫。)
8. The weather radar scans at a frequency of 10 gigahertz. (这个天气雷达的扫描频率为10千兆赫。)
9. The electric toothbrush operates at a frequency of 20,000 hertz. (这个电动牙刷的操作频率为20,000赫。)
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