求翻译：竹子和木材的物理机械性质和密度紧密相关。图1为乐器选材中，顺纹竹材和木材的杨氏模量和密度要求范围口]。从图中可以看出，杨氏模量和密度几乎是线性相关的。杨氏模量、顺纹剪切强度以及垂直剪切强度等指标，对乐器音板的震动影响很大。是什么意思？

Closely related to the physical-mechanical properties and density of bamboo and wood. Figure 1 for instrument selection, the Young's modulus and density parallel to grain bamboo and timber requirements the scope of the mouth]. It can be seen from the figure, the Young's modulus and the density is al

Bamboo and Wood's physical and mechanical characteristics and density. Figure 1 is accomplished in musical instruments, bamboo and wood grain of the youngs modulus and density of ports. As you can see in the figure, and youngs modulus and the density is nearly linear. Youngs modulus, smooth textured

Bamboo and lumber physical mechanical property and density close correlation.Figure 1 is in the musical instrument selection, parallel to the grain bamboo and lumber young's modulus and density request scope mouth).May see from the chart, the young's modulus and the density are nearly the linear cor

Bamboo and wood physical and mechanical properties and density are closely related. Figure 1 is a musical selection, bamboo and wood parallel to the grain of the young's modulus and density requirements range]. As can be seen from the figure, young's modulus and density are related to linear. Young'

正在翻译，请等待...