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它通常出现在射频,叶片通过频率和整流子刷频率,其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
youdao
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它通常出现在射频,叶片通过频率和整流子刷频率,其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
youdao