中继资料是藉由定义储存和撷取型别资讯的统一机制，来达成语言互通性。
Metadata enables language interoperability by defining a uniform mechanism for storing and retrieving information about types.
总之，这种奇怪的非统一机制的结构最终将导致一个相当脆弱的数据保护机制。
All in all, this strange heterogeneous structure finally gives a pretty weak protection to the information bits carried by pre-pits.
因此，总线成员应该能够使用一种统一的机制来调用EIS提供的函数并与EIS交换数据。
Hence, Bus members should be able to use a unified mechanism to invoke functions provided by EIS and exchange data with EIS.
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