the postal express logistics, as the product of the postal system reformation, reformed during the continuous development and growth, and has established the modern enterprise system through many enterprise restructuring, also faced management confusion from monopoly to competition.

1、

innovation is to build the online shopping express logistics service evaluation system dynamics model and the ranking of the conclusion that the four express companies, which have both theoretical significance and practical value.

创新之处便是构建了网购快递物流服务测评的系统动力学模型以及最后得出的4家快递公司的排名，使本研究既具有理论意义，又具有实用价值。

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2、

recently, the competitions are increasing during both international and domestic express logistics market and also made an unprecedented rapid development in those areas.

近年来，在国家大力支持发展快递物流业的良好背景下，国际国内快递物流市场竞争不断加剧，快递物流行业也取得了空前迅猛的发展。

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3、

application of abc in express logistics

基础作业成本在快递物流中的应用探讨

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4、

in recent years, the development of the express logistics industry has been getting attention by more and more people.

近几年来速递物流业的发展越来越受到人们的关注。

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5、

express logistics information system based on network

基于网络的物流配送信息系统

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6、

on the basis of summarizing the practice of home delivery and express delivery, the paper puts forward the theory of express logistics.

在总结宅急送快递发展物流的实践基础上提出快速物流理论。对快速物流的概念、理论基础、特点、作用以及快运与快速物流之间的关系进行了初步探讨。

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7、

private enterprises take a principal part in the industry of express logistics, and the operational management of private express logistic enterprises is a notable research field.

民营快速物流企业是快速物流行业的重要主体，民营快速物流企业的运营管理是一个值得关注的研究领域。

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8、

when having a wild sex she may moan out of pain also.

我们性爱狂野时，她真可能在因痛苦而呻吟。

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9、

every drop of tears, every moan out of pain and and every cry for help was like knife cutting deep into my heart.

没一滴泪水、每一声痛哭的呻吟、每一次求助的呼喊都像刀子一样切割着我的心扉。

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10、

regulating knob of fuel pressure

燃油压力调节钮

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11、

rising rate fuel pressure regulator

燃料压力调节率上升

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12、

incorrect system fuel pressure;

系统燃油压力不正常；

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13、

design of fuzzy pid controller for common-rail fuel pressure systems

共轨燃油压力模糊PID控制器的设计

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14、

nondestructive testing on fuel pressure wave and rotating speed of diesel engine

柴油机油压与转速的无损检测

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15、

analysis of fuel pressure high-frequency pulsation in a turbo jet

某涡喷发动机燃油压力高频脉动现象的分析及解决

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16、

experiment and calculation analysis on the leakage of the injector needle spouse under the high fuel pressure

柴油机针阀偶件高压泄漏量的试验与计算分析

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17、

simulation of common-rail fuel injection pressure in vehicle diesel engine and strategy for its fuel pressure control

车用电控柴油机共轨油压模拟及其控制策略分析

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18、

simulation and analysis of fuel pressure of electronic controlled hight-pressure common-rail fuel injection system

高压共轨电控柴油机稳态油压模拟计算及分析

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19、

choose a direct or indirect fuel pressure fuel pressure way.

可选择直接加油压或间接加油压方式。

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20、

when the fuel pressure is low, the fuel injection timing injects fuel in the first half of the compression stroke.

当燃料压力低时，燃料喷射定时在压缩冲程的第一半喷射燃料。

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