Sound card frequency meter source code for on-line collection. when downloading use please respect.
声卡频率计源代码，为网上收集的。下载使用时，请尊重原创作者的版权。
RFID (Radio Frequency identification) system is a high efficient information collection and identification system.
射频识别系统是高效的信息识别、采集系统。
RFID (Radio Frequency identification) system is a high efficient information collection and identification system.
射频识别系统是高效的信息识别、采集系统。
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