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测量接收机
释义
测量接收机
Encyclopedia
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测试接收机
释
measuring receiver
测量接收机
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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seed production area
seed production of rapeseed
seed production of rapeseed conventional cultivar
seed production stand
seed rearing
seed rearing of Black grunt ,seed rearing of Hapalogenys nitens
seed rearing of Boleophthalmus pectinirostris
seed rearing of Chanos chanos
seed rearing of Chelon haematocheilus
seed rearing of Chromileptes altivelis
seed rearing of Crassostrea gigas
seed rearing of Crassostrea gigas angulata
seed rearing of Cyclina sinensis
seed rearing of echinodermata
seed rearing of Epinephe lusfuscoguttatus
seed rearing of Epinephelus lanceolatus
seed rearing of Haliotis discus hannai
seed rearing of Haliotis diversicolor
seed rearing of Large yellow croaker,seed rearing of Larimichthys crocea
seed rearing of Lateolabrax maculatus
seed rearing of Lutjanus erythopterus
seed rearing of marine fish
seed rearing of Meretrix meretrix
seed rearing of mollusc
seed rearing of Mugil cephalus
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更新时间:2026/7/16 10:18:57