Evaluation index system of passenger train operation plan is the basis for evaluating and optimizing passenger train plan.
旅客列车开行方案评价指标体系是评价和优化开行方案的基础。
The system efficiency is a primary index for evaluating pumping system. The quality of measured parameters has a great influence on the efficiency of pumping system.
系统效率是抽油机装置的主要评价指标，测量参数的质量对系统效率测算结果准确程度的影响很大。
As an important evaluating index reflecting the quality of materials, natural durability can directly determine the using longevity of materials.
作为一项反映材料优劣的重要的评价指标，天然耐久性直接决定了材料的使用寿命。
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