ventricular effective refractory period什么意思

Variable Envelope Return Path (email server internal architecture component)变量信封回风路径(电子邮件服务器内部结构组成) Visitor Experience and Resource Protection访客的经验和资源的保护 Ventricular Effective Refractory Period (cardiology)不应期心室有效(心脏) Vertical Effective Radiated Power垂直的有效辐射功率 Verification Plan验证计划 Voluntary Early Retirement Program自愿提前退休计划 Variable Envelope Return Path变量信封回风路径 ventricular effective refractory period心室有效不应期 Viragen Europe, LTD.Viragen欧洲,电话垂询