In nowadays information society, a disk is widely used as storage medium because of its high speed of data read-write and high performance price ratio.
在当今信息社会里，磁盘作为存储介质因为其数据读写的高速性和高性价比被广泛使用。
This paper conducts an empirical research on the value-relevance of fundamental information, especially on the different levels of earnings permanence measured by the earning-to-price ratio.
该文探讨基本信息的价值相关性，尤其是在不同盈余质量下的价值增量相关性。
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