The most important performance index of car dumper system is integrated handling efficiency which depends upon system technological parameters and technical parameters of subsidiary equipments.
翻车机系统最重要的性能指标是综合卸车效率，其影响因素是系统的工艺参数和配置设备的技术性能。
Making use of evaluation index system of financing performance of listed companies, integrated evaluation on 18 listed petrochemical companies were made by using principal component analytical method.
利用上市公司财务绩效评价指标体系，应用主成分分析方法对18家石油化工类上市公司进行了综合评价。
New method of evaluating the hedge performance which adopted the integrated index of mean, variance and low partial moments of the returns of the hedging portfolio was proposed.
本文提出了采用套保组合收益率的均值、方差和半方差作为综合衡量套保绩效指标的新方法。
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