Both the system model and input are uncertain when a model is built for the observed data of a dam.

在对大坝的观测数据建立模型时，模型本身是不确定的，模型的输入也是不确定的。

youdao

Both the system model and input are uncertain when a model is built for the observed data of a dam.

在对大坝的观测数据建立模型时，模型本身是不确定的，模型的输入也是不确定的。

youdao