例句與用法

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1. The dynamic growth of mode crack in visco - elastic layer
   型裂紋的動態(tài)擴展
2. Secondly , using the perfectly bonded contact conditions between the layers , the delivery matrix between the electro - elastic layer and normal layer is worked out
   再由層間連續(xù)條件，計算由壓電層到一般層的傳遞矩陣。
3. The pile is assumed to be vertical , elastic and of uniform cross - section , and the soil is regarded as a linear visco - elastic layer with hysteretic damping
   假定樁為豎直彈性等截面體，土為線性粘彈性體，其材料阻尼為滯回阻尼。
4. The visco - elasticity of material in the bottom of rock body led to decrease of stress with time in the bottom part and to increase of stress at some places of elastic layers
   引入材料的黏彈性，導(dǎo)致了其中應(yīng)力隨時間迅速減小和彈性層某些部位應(yīng)力隨時間的增加。
5. Three examples of different layer numbers and different putting methods of electro - elastic layers are given . the calculation of the frequencies of the electro - elastic and normal material plates is of some practical value
   用mathematica編制相應(yīng)的計算程序，給出算例，計算不同壓電復(fù)合材料的振動頻率，在實際應(yīng)用中具有一定的價值。