Because the electronic tags are read-write device expensive, therefore, it is difficult to major application.
因为,电子标签贵,读写设备贵, 所以, 很难形成大规模的应用.
Sources of Law, right to health, International law, application National Courts, key issues National context.
法律根源, 健康权,国际法, 国际法院申请, 国际环境中的关键问题.
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