slow time scale vs time scale

slow time scale and time scale both are nouns.

Word	Noun	Adjective	Verb	Adverb
slow time scale	Yes	No	No	No
time scale	Yes	No	No	No

As nouns, time scale is a hypernym of slow time scale; that is, time scale is a word with a broader meaning than slow time scale:

slow time scale: (simulation) the time scale used in data processing when the time-scale factor is greater than one
time scale: an arrangement of events used as a measure of duration

slow time scale (noun)	time scale (noun)
(simulation) the time scale used in data processing when the time-scale factor is greater than one	an arrangement of events used as a measure of duration