Description: indicates whether a component can be controlled or not ; Name: controllable 
Description: Provides information as to whether it is possible to continuously adapt the control variable to the reference variable of the control unit of the object; Name: Controllable
Description: translation i of a pair of gears or a multiple gear pair is the ratio of the angle speed wa (or the speed na) of the first driving wheel to that of the last driven wheel wb (or nb); Name: Transmission ratio of the transmission