Радиорелейная линия передачи, в которой используется рассеяние и отражение радиоволн в нижней области тропосферы

-Hello darling!How are you doing?How is school?Did you enjoyed today's lessons? -Yes,Dad.I had great time in school.But I had some problems with solving my class work.Can you help me? -I think so.How can I help you? -I didn't understand this exercise -All right,I will do it,but you will wash dishes. -Ok,Dad,Thank you