Digital systems such as CAD are introduced to the design and product development processes. Technology is also essential for communication between retailers, manufacturers and consumers.
如CAD等数字系统被运用于设计和产品开发流程上，当然，零售商之间的通信技术也是必不可少的，包括制造商和消费者之间的也是如此。
With the rapid development of signal processing technology and micro-electronics technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems.
随着信号处理技术和微电子技术的飞速发展，数字波束形成(DBF)技术在现代雷达和通信系统中的应用越来越广泛。
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