| AA |
Anaplastic Anaemia
Ãâó: www.cancerindex.org/medterm/medtm8.htm
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|---|---|
| AAP |
Allied Administrative Publication
Ãâó: www.nato.int/docu/logi-en/1997/abbre.htm
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| AAA |
A rating system that indicates a product's rating for being economical with water or some other resource such as electricity.
Ãâó: www.education.melbournewater.com.au/content/glossa...
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| AAD |
Automatic Activation Device; a "fail-safe" device (eg: CYPRES, ASTRA, Sentinel) that senses the parachutist's altitude and rate of descent, and is designed to mechanically activate the reserve parachute at graduated preset intervals of elapsed time, excess velocity, or altitude minimum, if the skydiver does not disengage or deactivate it during normal descent.
Ãâó: www.combatmagazine.ws/S4/MILTERMS/PARATERM.HTM
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| AAS |
a method of analyzing artifact composition similar to optical emission spectrometry (OES) in that it measures energy in the form of visible light waves. It is capable of measuring up to 40 different elements with an accuracy of c. 1 percent.
Ãâó: www.china.org.cn/english/features/Archaeology/9885...
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