The business concentrative degree is an important index which reflects different management modes and size extension ways of firms, such as the specialization, diversification and so on.

业务集中度是反映企业专注于专业化、多元化等不同经营模式和不同规模扩张方式的一项重要指标。

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The comprehensive index of land use degree in the study area decreased, which indicated that the land use type tended to be diversification.

研究区土地利用程度综合指数呈下降趋势，表明该区土地利用类型趋于多样化。

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Now in a new book Malkiel moves on to extol the virtues of global portfolio diversification--in index funds and actively managed funds -- at a time when many investors are licking their wounds from Southeast Asia, Russia and, not so long ago, Latin America.

FORBES: About Burton Malkiel

Particularly at this point in the cycle, replicating the index closes off entire sets of opportunities to investors, inhibits diversification and may magnify risks.

FORBES: With Bond Yields So Low, Why Should You Pay More For Active Management?