il secondo

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From: wale <wleoniNOSPAM_at_racine.ra.it>
Date: Fri, 20 Sep 2002 17:57:49 +0200

Da dove deriva il fatto che il secondo � preso come 1/86400 del giorno
solare medio? (86400=24x60x60)
Quando e perch� nasce cos� questa unit� di misura?
Grazie. wale
Received on Fri Sep 20 2002 - 17:57:49 CEST

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