베릴륨의 옛 명칭인 글루시늄을 나타내는 화학 기호.
An obsolete chemical symbol for glucinium, which is now known as beryllium.
예문:
"The symbol Gl was commonly used in 19th-century chemical texts before Be became standard."
"Glucinium, represented by Gl, was named for the sweet taste of its salts."
대포나 화포를 목표물에 조준하는 과정 또는 기술.
The process or technique of aiming a large gun or artillery piece at a target.
예문:
"Advanced radar systems have significantly improved the speed of GL during combat."
"The officer specialized in GL to ensure every shell hit its intended mark."