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1·The beginning and ending book balances, accumulative amount of amortization, and accumulative amount of provision for impairment of intangible assets;

无形资产的期初和期末账面余额、累计摊销额及减值准备累计金额。

2·We investigate the recognition and the write-off of provisions for the impairment of intangible assets among Chinese listed companies from 2001 to 2005, using an empirical approach.

本文第四章采用实证研究方法，对我国上市公司在2001-2005年期间无形资产减值准备计提与转回状况进行研究。