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U 开头的英语单词（共 59,943 个）
ultra-high frequency
[计] 超高频
ultra-high frequency jammer
超高频干扰器
ultra-high frequency receiver
超高频接收机;特高频接收机
ultra-high frequency test receiver
超高频试验接收机
ultra-high frequency(uhf)
超高频（0.3~3吉赫）
ultra-high power
[机] 极高电力
ultra-high power graphite electrode
超高功率石墨电 极
ultra-high purity
超高纯度
ultra-high purity metal
超高纯金属
ultra-high reduction
[计] 超大量衰减
ultra-high resistance and resistivity tester
超高电阻及电阻率测试仪