Radio frequency bandwidth is limited, yet we are still trying to add more new devices to it.
无线频段是有限的,而我们仍在试图添加更多新设备。
单词 | frequency bandwidth |
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原声例句
精选英语短文 Radio frequency bandwidth is limited, yet we are still trying to add more new devices to it. 无线频段是有限的,而我们仍在试图添加更多新设备。 精选英语短文 The US Federal Communications Commission also began to create reserved frequency bandwidths for different uses – such as mobile phones and aircraft navigation and communications – so they do not interfere with one another. 美国联邦通信委员会也开始推出手机、飞机导航和通信等不同用途的专用频段,这样它们就不会互相干扰。 |
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