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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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oxygen enriched bottom blowing smelting process
oxygen enriched combustion
oxygen-enriched draft sintering
Oxygen-enriched gasification
oxygen enrichment for plateau railway station and train
oxygen evolution reaction
oxygen-free copper
oxygen-fuel combustion flux for electric arc furnace
oxygen fugacity
oxygen generation based on water electrolysis
oxygen group element
oxygen gun brake
oxygen-heat-pressure acid leaching of mineral raw material
oxygenic photosynthesis
oxygen in coal
oxygen index
oxygen inhalation
Oxygen Isotope Analysis
oxygenization
oxygen lance
oxygen-lime converter steelmaking process
oxygen mask
oxygen minimum zone
oxygen nutrient in plant
oxygenolysis
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