Zo definitions

Zo

(from the article `Basra`) ...al-Ash`ath`s revolt in 701 and al-Muhallab`s revolt in 719–720. Conditions did not improve under the `Abbsids, who took over the caliphate in 750. ...
Found on http://www.britannica.com/eb/a-z/z/11

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Zo

Characteristic Impedance
Found on http://www.encyclo.co.uk/visitor-contributions.php

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