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radio receiver
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射电天文接收机
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radio receiver
射电天文接收机
把射电望远镜馈源输出的电磁辐射场信号经过放大和加工,使它成为与天体辐射成正比且可测量的一种探测器。
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stratum submucosum
stratum vasculare
stratum weight
stratus
stratus cloud
Stravinsky,Igor Fyodorovich
straw
straw based feedstuff
straw based fertilizer
straw based material
straw-based panel
strawberry
Strawberry and Chocolate
strawberry bud nematode
strawberry fruit rot
strawberry genus
strawberry gray mould
strawberry groundcherry
strawberry powdery mildew
strawberry red stele root rot
strawberry thrips
straw briquette
straw briquetting
straw cover cultivation
straw energy regeneration
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