e.r是什么意思

网络释义

用法例句

According to the present status of railway wagon statistics, it was designed and developed Wagon Dynamic AnalysisSystem that was used in station segment subadministration, implemented the computer processing to the wagon of throw andhang, on the way, and operation analysis, etc.

针对铁路分局货车统计的现状,设计开发了站—段—分局三级统计应用系统,实现了分局货车甩挂、在途和运行分析等的计算机处理,同时为通用系统提供了统计数据源。

The paper improves the traditional EOQ model according to real price,adds transportation inventory to the joint economic lot-size model(JELS) and extends it further and provides an example.

首先根据对"真实价格"的理解,改进传统EOQ模型;然后把在途库存引入JELS模型,对JELS进一步拓展;最后,给出算例论证模型的科学性。

An Empirical Study on The Influence of Payment System on Remittance Fund;

支付清算系统对在途资金影响的实证研究