What does it mean to be a trainee engineer in measurement control and instrumentation?

What you want to ask is what do you mean by a trainee engineer in measurement and control and instrumentation? Those who have just joined the work have no professional titles. According to the personal database, the trainee engineer of measurement and control and instrument is a new job without a professional title. Instrument engineer refers to professional technicians engaged in instrument design, installation and maintenance in industrial automation instruments and control systems, scientific instruments, electronic and electrical measuring instruments, medical instruments, various professional instruments, sensors and instrument components, functional materials and other industries.