As the indicator of evaluating the carrying capacity of the bridge, calibration coefficient should have Strict definition and accurate methods of calculation.
校验系数作为评价桥梁承载能力的指标应该有比较严格的定义和较为准确的计算方法。
On the basis of the old end effect evaluating indicator, the definition of the end effect valid data is defined.
在已有的端点效应评价指标的基础上，给出了端点效应有效数据的定义。
Discussed are definition of water resources security, water resources stress indicators and indicator system for regional water resources security appraisement.
本文讨论和分析水资源安全的含义、水资源压力指数和水资源安全评价指标，建立水资源安全评价指标体系。
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