The cultures of Earthsea are not direct analogues of those of our world, but are literate non-industrial civilizations.
The English "hair's breadth" has a direct analogue in the formal Burmese system of Long Measure.
In general dimension, there is no direct analogue of the binary cross product that yields specifically a vector.
However, the further back in geological time sediments were deposited, the more likely that direct modern analogues are not available (e.g. banded iron formations).
And I use no direct analogues to either Wotan's staff or Alberich's ring - although Angus's ability to edit datacores has interesting implications.
Most of the common v2.3 and v2.4 frames have direct analogues in v2.2.
These horizontal lifts are a direct analogue of parallel transport for other versions of the connection formalism.
This phase has a direct analogue in the top-tier Euroleague, which conducts an identical group phase, the Top 16, at the same stage of the competition.
This is a direct analogue to the experience of super-injunctions in the UK.
A running theme in his work is that history repeats itself; past events will have direct and clear analogues in the future.