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用作电平和衰减计量标准的仪器。是检定和校准信号发生器的频率、功率、调制频率、调幅深度、调频频偏、调相相偏、调制失真和信纳比等参数的必备仪器。又称校准接收机。
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structural realism
structural reinforcement adhesive
structural reinforcement metal materials
structural reinforcement textile for civil engineering composite materials
structural reinforcement textile for watercraft parts
structural reinforcement textiles
structural reinforcement textiles for aeronautic and space aircraft
structural relaxation
structural relaxation of glass
structural repeating unit
structural resistance
structural resonance
structural response monitoring
structural return loss
structural rhinitis
structural rigidity
structural rigidity for missile/spacecraft
structural risk minimization
structural rock unit
structural rule
structural safety design
structural safety factor
structural search
structural section thermal-vibration test
structural seismic response control
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