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abstraction > mathematical concept > number > quantity > time > delay time
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delay time comparison table
Subject is an instance of is a kind of has definition
time quantityA dimension distinguishing past, present, and future. In relativity, time is portrayed as a geometrical dimension, analogous to the dimensions of space.
delay timetime Time lapse between the time a signal (e.g., a radar beam) is propagated out to a distant object and the time it is received after the object bounces it back.

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