Food serves as a form of communication in two fundamental ways.
食物作为一种沟通方式主要体现在两个基本方面。
Today's Internet digital technology is propelling information communication to develop in two ways.
今天的网络数字技术推进着信息传播的两个发展趋向。
But whereas RFID systems transmit little more than an electronic bar code, NFC offers two-way communication and lets devices interact in more complex ways.
不过RFID系统只能传输很少的电子条形码，而NFC可以提供双向传输及设备间更复杂的沟通方式。
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