propagation direction造句怎麼寫

The evolution equations of wavelength, phase velocity, propagation direction and amplitude of the AGW packet are derived.

The upper and bottom sound filters may limit propagation direction of pressure surge, forcing it concentrated on the perforated interval.

The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack, and result in forming lamella fracture surface.