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PDAA

What does PDAA mean?

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PDAA

Publications of the Department of Astronomy, Austin, Texas

Periodicals
Astronomy
United States

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Ackr catalogs and defines acronyms, initialisms, symbols and other abbreviations, that is concise modes of expression, both in writing and orally. Being a multilingual dictionary of abbreviations, Ackr lists and translates abbreviations from many places and in many languages.