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河西
释义
河西héxī[Hexi region] 泛指黄河以西之地,春秋战国时,把黄河南段之西今山西、陕西两省交界处。汉、唐时多指甘肃、青海两省黄河以西的地区。唐玄宗时置河西节度使管辖甘肃及河西走廊
随便看
frequency demodulation
frequency demultiplier
frequency departure
frequency detector
frequency detuning
frequency deviation
frequency deviation meter
frequency difference
frequency discrimianator
frequency discrimination
frequency discriminator
frequency distortion
frequency distribution
frequency distribution curve
frequency diversity
frequency divider
frequency division
frequency division data link
frequency division modulation
frequency-division multiplex
frequency-division multiplexing
frequency division multiplexing
frequency division multiplex telegraph system
frequency division switching system
frequency domain
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更新时间:2026/4/6 3:43:28