%rh is the unit of relative humidity. Relative humidity (relative humidity), expressed in rh. It represents the ratio of the absolute humidity in the air to the saturated absolute humidity at the same temperature and pressure, and the result is a percentage. (That is, it refers to the water contained in a certain humid air. Relate, relation, relating, related, relative. Usage. 1.relate verb vt to tell, to make a connection vi to relate to, to conform to, to agree with (+to) transitive verb usage: i never relate my troubles to him. At the same time, relative to can also be used to describe degree or hierarchical relationships. For example, one person's ability or performance is "relative to" the level of another person. When understanding and using relative to, you need to pay attention to its context and context. Because of relativity.
Einstein Beyond Relativity A Biography Exploring Einstein's Life