According to the model of five competitive power of MICHAEL E. PORTER, China foreign trade industry also exists five competitive power.

根据迈克尔·波特的五种竞争力量模型，中国外贸运输业也存在着五种竞争作用力。

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Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established.

建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；

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This low power model adopts five-layer architecture, which are hardware platform, driver layer, operating system, power manage mechanism and application program.

本文提出了一种层次化的电源管理结构，分别为硬件层、驱动层、操作系统层、电源管理层和应用层。

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Though social democrats, who invented the Scandinavian model, are still in power in four Nordic countries (as part of a five-party coalition in Finland), their hold is tenuous.

ECONOMIST: Remodelling Scandinavia