what is is the percentage of people who understands morse code. in movies everybody knows morse code.?
回答 (2)
2016-12-05 12:19 am
Very low and decreasing every day. It's a lost skill.
2016-12-04 10:38 pm
-. .. - -- .- -. .. ..
收錄日期: 2021-04-23 23:57:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161204131702AAxlMrw