1. Functional correctness: whether the equipment can work normally according to the design and specification requirements, and whether it can complete the required tasks and functions.
2. Correctness of performance: Whether the equipment can reach the expected performance indicators, such as speed, accuracy and efficiency. In the course of work.
3. Reliability and correctness: Whether the equipment can maintain a stable and reliable working state for a long time and whether it is prone to failure or damage.
4. Safety correctness: whether the equipment meets the relevant safety requirements during operation and use, and whether it can ensure the safety of people and the environment.