http://sirmapur.livejournal.com/ ([identity profile] sirmapur.livejournal.com) wrote in [personal profile] olegpaschenko 2009-06-18 04:22 pm (UTC)

Извините, я невежда в этих вопросах.

Но думаю, что волна это вообще — ничто.
Колебания материала (среды) под воздействием импульса.
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