热工过程建模与仿真中的微分法由vb语言改编为vc++语言-Thermal process modeling and simulation by the differential method adapted for vc++ language vb language

楼梯开关灯设计，楼上时可在楼上关灯，下楼时可在楼下关灯-Staircase light switch design, can turn off the lights when upstairs upstairs, downstairs to turn off the lights downstairs