Automotive electronics is the collective term for vehicle-mounted automotive electronic control devices and vehicle body automotive electronic control devices. Vehicle body automotive electronic control devices include engine control systems, chassis control systems, and body electronic control systems (body electronic ECU). The most crucial role of automotive electronics is to enhance the safety, comfort, economy, and entertainment of automobiles. This is achieved through electronic control systems composed of sensors, microprocessor units (MPU), actuators, dozens or even hundreds of electronic components and parts.

The high - frequency power supply equipment (communication power supply) system can combine rectifier modules according to the system capacity. The modules automatically share the current equally among themselves, and modules can be replaced online. It is convenient to expand the system capacity by combining various rectifier modules based on the system capacity in the high - frequency switching power supply (communication power supply) system. The monitoring module can reliably achieve intelligent management of the power supply system and batteries. When connected with a modem, it can also enable remote centralized monitoring through public or private telephone networks.

The content of lighting engineering also encompasses the research and manufacturing of light sources, luminaires, and control systems, as well as photometric and colorimetric measurements and visual evaluations. In particular, it covers the fundamental theories of modern lighting science, the measurement of light, electric light sources, lighting luminaires, lighting regulations and standards, along with qualitative analysis and basic quantitative calculations of various light sources and lighting technologies.

The scope of lighting engineering also involves the research and manufacturing of light sources, luminaires and control systems, as well as photometric and colorimetric measurements and visual evaluations. Specifically, it includes the basic theories of modern illumination science, the measurement of light, electric light sources, lighting fixtures, lighting codes and standards, along with qualitative analysis and basic quantitative calculations of various light sources and lighting technologies.

Household Electrical Appliances (HEA) primarily refer to a variety of electrical and electronic devices used in households and similar settings. They are also known as civil appliances or daily - use appliances. Household electrical appliances have liberated people from heavy, tedious, and time - consuming housework. They have created a more comfortable, elegant, and health - conducive living and working environment for humans, as well as provided a rich array of cultural and entertainment conditions. As a result, they have become essential items in modern family life.

Medical equipment serves as the fundamental prerequisite for continuously advancing the level of medical science and technology, and it is also an important indicator of the degree of modernization. Medical equipment has become a significant field within modern healthcare. The development of medical care largely hinges on the advancement of instruments. In fact, in the development of the medical industry, they (medical instruments) even play a decisive role in breaking through bottlenecks.

Military products are characterized by cutting-edge technology, stringent quality requirements, small-batch production, and a wide variety of product types. The manufacturing process, from component machining to the final assembly of the product, encompasses mechanical processing techniques, special processes, electronic assembly and interconnection processes, as well as precision mechanical assembly processes, among others. This involves numerous production stages and a highly complex manufacturing workflow.