• 1. Sound Knot: 结实的树节 | 健全节 | 死节 | 硬节
• 2. Person sound knot: 人生节
• 3. sound knot length: 健全节长度

更多释义

• 1.But actually, dodo mean something else. There are several explanations. They might stand for the knot of tail they, or even the sound they made.
  其实，渡渡有另一层含义，可能代表着他们尾部的环结，抑或是他们发出的声音。
  dict.yoduao.com
• 2.In standing wave method, the sound is not perfect standing wave, so the swing is not zero at wave knot.
  驻波法中形成的声场不是理想驻波场，且波节处振幅不为零。
  dict.yoduao.com

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