基本解釋[光] 衍射測速儀英漢例句雙語例句PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.采用聲速儀及X射線衍射儀對不同牽伸倍數(shù)和不同預(yù)氧化程度的PAN纖維進(jìn)行取向度和預(yù)氧化程度的測試，并將其結(jié)果進(jìn)行對比。diffraction velocimeter更多例句詞組短語短語diffraction E velocimeter 衍射測速儀diffraction ? velocimeter 衍射測速儀optical diffraction velocimeter [光]光學(xué)衍射測速儀diffraction velocimeter更多詞組專業(yè)釋義物理學(xué)衍射測速儀