Equal force coupling system is a physical concept, which refers to the overall nature formed by the interaction of two or more objects or systems. It is characterized by the close interaction between components, which cannot be explained by a single component, but must be studied as a whole. The system can be based on electromagnetic force, acoustic energy, thermal energy, etc.

Equivalent force coupling system is also widely used in biology. For example, the nervous system is a typical equivalent coupling system. When neurons interact, they produce electrical signals. If the signal intensity of one neuron increases, it will cause the activity of other neurons, and eventually it will show large-scale neural network behavior. This behavior cannot be explained by studying a single neuron, and the structure and behavior of the whole neural network need to be considered.

The research method of equivalent force coupling system is usually realized by mathematical modeling and computer simulation. By expressing the interaction between the parts, the behavior of the whole system is deduced. This method can help people deeply understand the internal behavior and mechanism of the system, and can also optimize and improve the system. The study of equivalent coupling system not only contributes to pure theoretical research, but also provides many useful ideas and methods for practical application.