沃尔玛拥有效率极高的供应链，因此很好地压制了成本，甚至对全国的通货膨胀都有较大的影响。
Wal-Mart, with its hyperefficient supply chain, is so good at squeezing costs that it has a measurable effect on the national inflation rate.
分析热力膨胀阀和蒸发器调节系统的稳定性，它直接影响着制冷效率和运行安全。
This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.
本文分析了目前医院信息系统面临的由于数据库膨胀所致运行效率下降的状况，并通过实例提出了解决此类问题的对策。
This paper analyzed the backward situation that the efficiency of his is decreased on account of database expanding and put forward the countermeasure to solve the problem by instance.
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