A keyboard with axis is a mechanical keyboard. The use of percussion has a sense of paragraph. Rebound touch.
there are thin films and capacitive keyboards without axes. Basic commonly used (school computer room. Office computer configuration) The cheaper one belongs to the membrane keyboard, which can't be described if it feels like it, but everyone should have used it. Static capacitance keyboard is a kind of keyboard that uses the change of capacitance to judge the opening and closing of keys. The price is relatively much more expensive. Usually it can be seen on large medical equipment and can also be used as a relatively expensive high-end game peripheral.