不同于测量比重的方法，本方法简便易行，且具有较高精度。
Comparing with the method by measuring specific weight, the present one has higher accuracy.
股本回报率，它是普通股应收的占公司获利的比重数量，是一个重要的财务业绩测量指标，已经从信用危机以来的几年里明显减少。
Return on equity, the amount a firm earns on its common stock outstanding and an important measure of financial performance, has decreased significantly in the years since the credit crisis.
这种测量方法创造出一种交互式工具，用户根据对各项内容重要性的个人观点改变其所占比重。
It has produced an interactive tool which allows users to change the weight of each sector according to their own view of its importance.
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