Ngobude obunqunyiwe besinyathelo nesinyathelo, ukulandelwa kwe-photoelectric, kunembile futhi kuzinzile.Ukubala okuzenzakalelayo kungasetha i-alamu yokubala, ukubhoboza okuzenzakalelayo namanye amadivaysi okulawula izimboni, ukuze imikhiqizo eqediwe ivalwe ngokuqinile futhi i-tangent enhle.Ukusebenza kahle okuphezulu, indawo esezingeni eliphezulu...
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