... comparison microscope 比较显微镜 comparison spectrum 比较光谱 compensated microphotometer 补偿测微光度计 ...
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comparison n spectrum 比较光谱
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By comparison, Verizon holds 22MHz of 700MHz spectrum in many markets, so these guys are working with a decent-sized slice of the pie here.
ENGADGET: New US LTE network borne of satellite operators, launching next year
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