English: SI base units and their defining constants.
This diagram, unlike File:Unit relations in the new SI.svg, consistently shows arrows to the units directly from the defining constants. Source: Richard Davis, An introduction to the revised international system of units (SI) // IEEE Instrumentation & Measurement Magazine, vol. 22, no. 3, pp. 4–8 (2019), doi:10.1109/MIM.2019.8716268, table 2.
Also, this diagram uses the more recent notation for one of the defining constants, Δν, and therefore remains valid even after the 2030 redefinition of the second.
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