The effect of growth rate and latewood percent on stress wave modulus of elasticity was more obvious than that on vibration modulus of elasticity.

 
  • 應力波測試的動(dòng)彈性模量和生長(cháng)率及晚材率關(guān)系密切,超過(guò)振動(dòng)測試的彈性模量和生長(cháng)率及晚材率關(guān)系。
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