Functional risks might relate to areas in which stakeholders have provided fuzzy requirements for critical functionality, or to several requirements that are core to the system.

功能上的风险也许与项目涉众为关键的功能性提供了模糊的需求或者几个需求对项目系统都是核心的有关。

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The rule base is the core of fuzzy controller.

模糊规则库是模糊控制器的核心。

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Fuzzy rule sets is the core content of fuzzy decision system.

模糊规则是模糊决策系统的核心内容。

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"Think of it as a fuzzy boundary between the mantle and the core, with patches perhaps 10 to 20 km (6 - 12 miles) across and up to a 1, 000 metres (3, 280 ft) thick, " Jeanloz said.

BBC: Earth's wobbles reveal deep secrets