기존의 구리 전화선을 통해 고속 데이터를 전송하는 기술.
A technology for high-speed data transmission over standard copper telephone lines.
예문:
"Many rural areas still rely on DSL for internet access."
"The DSL filter prevents noise on the telephone line."
음파를 반사하여 가짜 해저면처럼 보이는 해양 생물층.
A layer of marine organisms in the ocean that reflects sonar waves, appearing as a false bottom.
예문:
"Marine biologists study the vertical migration of the DSL."
"The DSL was first discovered during sonar tests in World War II."