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R&A:(请自己确认)
R&A Research and Analysis
R&A Recognition & Award
R&A Reliability & Availability
R&A Review & Analysis
R&A Reporting & Analytics (Microsoft)
R&A Repair & Alteration
R&A Registration and Accreditation
R&A Rolands & Associates Corporation (Monterey,California)
R&A Royal and Ancient (Golf Club of St Andrews)
T&C:(请自己确认)
T&C Terms & Conditions
T&C Time and Cost
T&C Training and Certification
T&C Technology & Communication
T&C Testing and Certification
T&C Training and Competence
T&C Telemetry and Command
T&C Testing & Commissioning (construction)
T&C Timing and Control
T&C transfer and convertibility (risk/insurance)
T&C Thoracic and Cervical
T&C Threaded & Coupled
T&C Track Correlation
T&C Town and Country Surf Designs
T&C Transition and Cutover
T&C Post-Overhaul Test & Certification