Community and Volunteer Services Concurrent Versions System Canister Vent Solenoid Computer Vision Syndrome Constant Volume Sampler Chorionic villi sampling Chorionic Villus Sampling Concurrent Versioning System Antisubmarine Aircraft Carrier cardiovascular system challenge virus strain Chorionic Villae Sampling chorionic villous sampling Combat Vehicle System Combat Vehicle Systems Commercial Vehicle Systems commercial vendor services Commercial Vessel Safety Concurrent Version System Constant Volume Sampling Consumer Value Store Anti-submarine Aircraft Carrier Caisson Vessel System calcium volume score Caliciviruses caloric vestibular stimulation Cambridge Veterinary School cardiovascular Cardiovascular status Cargo Visibility System Cataclysmic Variables Central Veterinary Society Central Video Server centrifugal visual system cerebral vasospasm Certification Verification Service Certified Value Specialist cervicovaginal secretions Cervicovaginal smears challenge virus standard