In systems too large for a single group, there are layers of decision-making: the nomads of the Sahel, for example, used to have overlapping informal authorities up and down the Niger river.

在一个对于单一群体来说非常大的系统里，有着许多决策层：例如萨赫勒的游牧民族，过去有着许多互相重叠的非正式权威遍布于尼日尔河上上下下。

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Comprehensive evaluation problem for decision objects is studied in group decision support systems (GDSS).

研究在群决策支持系统(GDSS)中对决策对象的综合评判问题。

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The staff evaluation of group decision support systems will combine the process database, information database and decision support system for the staff evaluation of the business process.

针对企业人员测评过程中如何建立群体决策支持系统这一问题，提出了由进程库、信息库与决策支持系统的三库结构组成的人员测评群体决策支持系统。

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