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1. Oxford Dictionary

   zero crossing

   • n.
     the point at which a function crosses the horizontal axis as its value passes through zero and changes sign

   • noun: zero crossing, plural noun: zero crossings

2. • 釋義

   n.

   名詞

   • 1. the point at which a function crosses the horizontal axis as its value passes through zero and changes sign an accumulation of zero crossings it dramatically reduces zero-crossing distortion