viod造句

Based on the equal strain consolidation model of sand drain , and neglecting the well resistance and the vertical drainage consolidation , a layered model for the nonlinear consolidation of sand drain , which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress , is presented
摘要基于砂井等应变固结模型，考虑初始有效应力沿深度变化，忽略井阻和竖向排水固结的影响，应用平均孔隙比与平均有效应力的对数关系，建立砂井非线性径向排水固结的分层计算模型，并求得常荷载作用下的径向排水固结解析解。
It's difficult to find viod in a sentence. 用viod造句挺难的