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APTA
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The national, nonprofit trade association, representing the public transit industry. APTA members include more than 300 public transit systems carrying more than 95 percent of all transit riders in the United States. APTA members also include state and local departments of transportation and planning agencies, manufacturers and suppliers of transit equipment, consultants, contractors and universities.
출처: www.dot.ca.gov/hq/MassTrans/terms.htm
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Apt t.
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(for differentiating fetal from adult hemoglobin): a specimen from an infant's vomitus or stool is mixed with 5 volumes of water and centrifuged so that a clear pink supernatant separates. Sodium hydroxide solution is added to the supernatant; if hemoglobin F (fetal blood) is present, the pink color persists for more than 2 minutes, whereas if hemoglobin A (from swallowed maternal blood) is present, the supernatant turns from pink to yellow within 2 minutes.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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aptitude t.’s
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tests given to determine aptitude or ability to undertake study or training in a particular field.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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APTT
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activated partial thromboplastin time.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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aptyalism
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deficiency or absence of the saliva.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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