经过反复考验的 tried and tested
经过反复推敲 after repeated deliberation
经过反复解释 after repeated explanations
经过反复冻融肿瘤抗原 tumor antigen
经过反复试验 Undergoes The Repeated Test
经过几次反复尝试 After several repeated attempts
反复经过音 Repeated passing-note
模式经过了反复的测试 Patterns Are Tried and Tested
经过他反复请求 After he repeatedly requested
经过几次反复的尝试 After several repeated attempts
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