天然气发电机组PLC控制系统，和利时，PLC，CoDeSys-Gas Generator Sets PLC Control System，hollesys，PLC，CoDeSys

应用于流体力学FLUENT软件中的UDF接口，对出口边界的气固两相质量流率及各组分浓度进行统计，并部分用作为入口边界条件。-Applied to fluid dynamics FLUENT software UDF interface on the exit boundary of gas-solid mass flow rate and species concentration statistics, and partially used as inlet boundary conditio

DSP+AVR+DDS调制超声气体检测系统程序文件-DSP+AVR+DDS modulated ultrasonic gas detection system program files