As to step index DCF, we even obtain a simple analytic formula.

对于阶跃折射率双包层光纤，甚至还得到了一个简单的解析公式。

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Using analytic hierarchy process to index system for weight assignment.

采用层次分析法对指标体系进行权重赋值。

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Using analytic hierarchy process to index system for weight assignment.

采用层次分析法对指标体系进行权重赋值。

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