Việt
mặt sóng phẳng
Anh
plane wave front
wave surface
wave-front
Đức
ebene Wellenfront
Pháp
front d'onde plan
plane wave front /ENG-ELECTRICAL/
[DE] ebene Wellenfront
[EN] plane wave front
[FR] front d' onde plan
plane wave front, wave surface, wave-front