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N 开头的英语单词（共 105,704 个）
negative pedal
【数学】负垂足
negative pedal curve
[数] 负垂足曲线
negative pedal surface
[数] 负垂足曲面
negative perforation
底片片孔
negative performance
[网络] 负绩效
negative phase
[医] 阴性期(血免疫反应)
negative phase difference
[电] 负相位差
negative phase plate
[网络] 负变相板
negative phase relay
反相继电器
negative phase sequence
[电] 负相序
negative phase sequence current
[电] 负相序电流
negative phase sequence relay
[电] 负相序继电器
negative phase sequence voltage
[电] 负相序电压
negative phase-sequence component
[数] 反相序列分量
negative phase-sequence impedance
[电] 负相序阻抗
negative phase-sequence reactance
[电] 负相序电抗
negative phase-sequence resistance
[电] 负相序电阻