变量太多 meaning in Chinese

error 96 too many variables

Since the movement of flows and boundary conditions of the natural rivers with too many variables are extremely complicated , it is unable to reveal the behaviors by using of the present theories and experience in this area . the river hydraulic experiments are playing important roles to solve these problems
由于天然河道水流及河床边界变化极其复杂，且相关变量太多，很多问题非现有理论所能描述，也难根据以往经验得到解决，因此河道水力模型试验就成为解决这类复杂问题的重要手段。