It may indicate a homogeneous population exists but allows for future system growth, or it may reflect that the element is largely a default condition.
这可能表明使用了同类的填充，但是允许系统在将来增加，或者可能反映出元素基本上是默认的条件。
2
The fundamental solution of the mixed problem with the third kind homogeneous boundary condition and that with the zero initial condition are given respectively.
分别给出具有第三类齐次边条件的混合问题基本解以及具有零初始条件的混合问题基本解。
3
Through the change of variables, the original problem with inhomogeneous boundary condition is reduced to the boundary value problem of homogeneous boundary condition.