青云翻译

This is a time and space coordinates that contains the dynamic equations. Solving this equation, we must consider the initial and boundary conditions.

This is a dynamic equation of time and space coordinates. When you solve this equation, initial conditions and boundary conditions must be taken into account.

This is one contains the time and the space coordinates dynamic equation.When solves this equation, must consider the initial condition and the boundary condition.

This is a time and space coordinates the dynamics equation. This must be taken into account when this equation initial conditions and boundary conditions.

This is a dynamic equation of time and space coordinates. When you solve this equation, initial conditions and boundary conditions must be taken into account.