In this paper, fuzzy number operation was used in identifying trophic type of lake.

本文提出了应用模糊数运算判别湖泊营养状态的类型。

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The minus involves the concept, the number axis, the absolute value, the rational number operation and so on.

负数涉及到从概念到数轴、绝对值、有理数运算等等一系列知识。

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With the help of complex number operation, the author has developed a method for designing the contour of a CAM whose follower keeps a general plane motion.

本文利用复数表示法，得出从动转子中心作平面一般运动情况下的凸轮廓线的设计方法。

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The army has not provided evidence of the high number of militants killed, nor have officials attempted to project how many civilians have died in the operation.

VOA: standard.2009.05.12

Last month, Gryzlov said the global economic crisis required Russia to reconsider the cost of maintaining the large number of Interior Ministry troops needed to enforce the counter-terrorism operation.

VOA: standard.2009.04.16

"And that has been confirmed by people on the ground." Foreign Office Minister Lord Malloch Brown quickly retracted his statement, saying he agreed with the prime minister that the number of helicopters was sufficient for the current operation.

VOA: standard.2009.07.22

The number is currently in operation while the firm works on fixing the issues raised.

BBC: NHS postpones West region out-of-hours GP helpline launch

According to the Federal Communications Commission, the number of them in operation declined by 58 percent between 2007 and 2008.

CNN: Pay phones: The search for an endangered species

Even within one well defined operation, the number of elements you need to measure is very complex in terms of data and interactions with suppliers.

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