持续时间震级计算vb源码。利用地震波持续时间同地震震级的相关性来反映震源强度，这就是持续时间震级(Duration Magnitude)-Magnitude calculation of the duration of source vb

次为燃料电池的VB模型，用于计算电流和电压-Meeting of the VB for the fuel cell model used to calculate the current and voltage

两份VB与matlab混合编程方面的技术资料。结合了VB编程简单、界面友好的特点MATLAB强大的计算、图形表达功能。-Both VB and matlab programming mix of technical information. VB programming combined with simple, user-friendly features of MATLAB powerful computing, graphics expressive function.