The appearance of low cost RFID label will replace the traditional library marking method gradually.

低成本RFID标签 的出现和普及,将逐步取代图书馆传统标记方法.

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The letter - marking method was designed as a method to describe the complicated footwork of table tennis.

取代传统的脚印图,设计了字母标记法,为系统记录和描述复杂的乒乓球步法现象提供了途径.

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