模-数数-模转换器
analog to digitaldigital to analog converter
比例试样阻力模型
proportional specimen resistance model
船模阻力换算
ship model resistance scaling-up
串联阻力模型
resistance-in-series model
电阻力数
electric resistance number
分步阻力模型
resistance-in-series model
零升力阻力系数
zero lift drag coefficient
of zero-lift drag coefficient
Zero-lift drag coefficient
骑行阻力模拟
simulation of riding resistance