Superconducting maglev trains can reach speeds of 600 km/h.
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Physics / engineering term, increasingly common in tech news. Functions as both noun and attributive: 超导体 (superconductor), 超导磁体 (superconducting magnet), 高温超导 (high-temperature superconductivity).
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超 'super / exceeding' + 导 (short for 导电 'conduct electricity') — exceeding-conduction, i.e. resistance-free conduction.
