例句與造句

1. The general alternative coordinate system in electromagnetic scattering is the Back Scattering Alignment ( BSA ) which is primarily used in radar.
2. In optics, the coordinate system is defined from the wave's viewpoint, known as the Forward Scattering Alignment ( FSA ), and gives rise to a regular eigenvalue equation, whereas in radar, the coordinate system is defined from the radar's viewpoint, known as the Back Scattering Alignment ( BSA ), and gives rise to a coneigenvalue equation.
3. It's difficult to find back scattering alignment in a sentence. 用back scattering alignment造句挺難的