Use "dissemination|disseminations" in a sentence

1. Dissemination of advertising matter

광고물배포업

2. Mexican scientists studied in particular the measurement of the ionosphere during the eclipse, the dissemination of the different radio waves and the record of the static electricity.

‘멕시코’ 과학자들은 특히 일식 도중의 ‘이온’ 층 측정, 여러 가지 전파의 분산, 정전기의 기록 등을 연구하였다.