Through, analysing several examples, a complete picture of frequency characteristic will be seen, it is beneficial to understand and grasp the fundamental concept of the series resonance.
通过部分示例分析，给出了一幅较完整的频率特性图形，它有利于串联谐振基本概念的理解和掌握。
Objective To evaluate the value and limitation of magnetic resonance imaging (MRI) in complete type endocardial cushion defect (CTECD).
目的评价MRI对完全型心内膜垫缺损的诊断价值和限度。
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