What does laser high and low mean?

Professional title of laser beautician. Belongs to radiology medicine.

Senior senior and deputy senior refer to the level of professional titles. Each level has different types. The professional titles stipulated in our country are usually divided into five categories: senior, deputy senior, intermediate, assistant and technician. grade.

The difference between senior and deputy senior professional titles. Professional titles are originally derived from job titles. In theory, professional titles refer to the professional and technical level, ability, and achievements of professional and technical personnel, reflecting the academic performance of professional and technical personnel. and work achievements in terms of technical level and work ability.