然后，作者详细阐述了平衡重式蓄电池叉车CAD系统的框架结构、主要模块和工作流程。

And then, the author sets forth the frame of the CAD system of the Counterbalance Electric Forklift Truck, the main modules and the operation process.

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首先对J2EE体系架构进行了系统的阐述，然后分析了J2EE企业级开发的方法和面向对象的建模技术。

Build up systematic exposition to J2EE system at first, then analyzed the method that J2EE enterprise layer develops and target -oriented modeling technology.

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首先论述了内部审计的本质、目标和职能，然后分别阐述了系统理论和内部控制理论等内部审计的理论基础。

Its first part is about essence, objective and functions of internal audit. Its second part is about system theory and theory of internal control.

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