常見例句雙語例句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)和不同預氧化程度的PAN纖維進行取向度和預氧化程度的測試，并將其結果進行對比。The structure and design of hardware and software of the digital fiber sound velocimeter, which based on the digital signal processor MC68VZ328, are explained in details.詳細闡述基于MC68VZ328的數(shù)字式纖維聲速取向度測量儀的軟、硬件設計。 返回 sound velocimeter