针对消费者不清楚商品条码的前缀码代表什么的问题，分别从商品条码的结构、前缀的含义，有关法规的规定加以阐明。
Based on meanings of prefix code of ean bar code, regulations of some concerned laws were expounded from structure of bar code and meanings of prefix code.
公司前缀由非盈利组织GS1 US（以前为美国统一代码委员会）分配。
The Company Prefix is assigned by a not-for-profit organization, GS1 US (formerly the Uniform Code Council.)
在OFDM系统中，时域均衡器用来抵消因循环前缀长度不足而引起的码间串扰。
Time-domain equalizer (TEQ) is an effective technique to combat ISI caused by inadequate circular prefix (CP) length in OFDM systems.
在OFDM系统中，时域均衡器用来抵消因循环前缀长度不足而引起的码间串扰。
Time-domain equalizer (TEQ) is an effective technique to combat ISI caused by inadequate circular prefix (CP) length in OFDM systems.
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