In addition, we briefly introduce appropriative communication protocol of FP series PLC and a method of VB program design is also introduced.

还对松下公司的FP系列plc的通信协议进行了分析，介绍了基于VB的上位机通讯程序设计思想。

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Taking the design and development of searching the lyrics in VB as an example, the paper gives out the optimal way to program optimization processing.

以歌词搜索为例在VB开发环境中设计开发，并给出了程序优化处理的方法。

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Build the geometric model of arch dam according to the parameterization. Carry the visualization design of decision-making system out by using the visualization program VB. NET.

按照参数化原则，建立了参数化的拱坝模型，利用可视化编程语言vb.net，实现了高拱坝体形优化决策系统的可视化设计。

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