基本解释[医药科学]前向性有效不应期英汉例句双语例句The anterograde effective refractory period and Wenckebach block point were measured before and after ablation.进行慢径路改良，观察手术前后房室结的前传有效不应期和文氏阻滞点的改变。anterograde effective refractory period更多例句专业释义医药科学前向性有效不应期