wideband transducer 中文意思是什麼
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Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )
寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號，用掃描電子顯微鏡（ sem ）觀察了試樣的幾種典型的損傷破壞斷面，對比分析了不同類型的損傷機制。
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