Conclusion The symptoms of primary cardiac tumor are diverse and complex, and echocardiography, CT, MRI are instrumental for a definite early diagnosis.
结论原发性心脏肿瘤临床表现复杂多样，超声心动图、CT、MRI等检查是早期明确诊断的重要手段。
The instrumental-emotional relationship is the primary relationship type during the societal transition in the rural areas;
工具情感关系是农村社会转型时期的主导关系类型；
The instrumental-emotional relationship is the primary relationship type during the societal transition in the rural areas;
工具情感关系是农村社会转型时期的主导关系类型；
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