通过对顶板安全仪器仪表检测合格率低的要因分析，制定出相应的对策，使煤矿顶板安全仪器仪表检测合格率明显提高。
Through the analysis on main factors that cause low qualification rate at the roof safety meters, corresponding counter measure has been made, resulting in obvious increase at qualification rate.
世行分析家确定了有助于或有碍于大规模减贫的主要因素，并指出了它们对世界银行和捐赠机构业务的意义所在。
World Bank analysts have identified the main factors that help or hurt in reducing poverty at scale, and what this means for World Bank and donor operations.
本文从工程实际出发，分析了影响电液位置伺服系统精度误差的来源，并对各主要因素作了定量的分析计算。
This paper analyzes the sources of effecting the error of the accuracy in electrohydraulic position servo system, and carries out quantitative analysis and calculation to main factors.
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