However, an efficient and effective production test technique is the final hurdle of the mass application of the asynchronous circuits.
然而，高效的产品测试技术依然是异步时序电路大规模应用的一个很大的障碍。
Data mining is a technique that abstracts the helpful information and knowledge from the mass application dataset by relevant rules and policies.
数据挖掘是依据相应的规则和策略，从海量的实际应用数据中提取有用信息和知识的一种技术。
However, using the mass application database, some problems emerge, for example, how to identify the data effectiveness, how to make a useful conclusion and how to tell people the data efficiently.
但是，面对日益庞大的企业应用数据库，如何识别数据的有效性，如何从中总结出规律性，如何将数据更有效率地展现在应用人员面前，这些问题已经切实地摆在了企业的面前。
However, using the mass application database, some problems emerge, for example, how to identify the data effectiveness, how to make a useful conclusion and how to tell people the data efficiently.
但是，面对日益庞大的企业应用数据库，如何识别数据的有效性，如何从中总结出规律性，如何将数据更有效率地展现在应用人员面前，这些问题已经切实地摆在了企业的面前。
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