начинать колебаться
• If the sample gas has enough gain at a certain frequency, it should break into oscillation at that frequency.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
![](http://cdn.gufo.me/i/lec-photo.jpg)
• If the sample gas has enough gain at a certain frequency, it should break into oscillation at that frequency.