Sign in | English | Terms of Use
DictionaryForumContacts

   Russian ⇄
Google | Forvo | +
красная граница фотоэффектаstresses
phys. seuil d'émission
радиоакт. fréquence seuil de l'effet photoélectrique

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips