常見例句雙語例句The measurement and inspection methods based on ultrasonic technology usually request accurate measuring the propagation time of ultrasonic wave in media.基于超聲波技術(shù)的檢測方法，通常需要精確地測量超聲波在介質(zhì)中的傳播時間。Applies default root permissions to the OS partition and propagates them to unprotected children. Propagation time depends on the number of unprotected children.將默認根權(quán)限應(yīng)用于OS磁盤分區(qū)并傳播到未受保護的子分區(qū)。傳播時間由未受保護的子分區(qū)數(shù)決定。It is revealed that the viscosity effects on the relationship of the amplitudes and wave propagation time with the damage are necessary to consider in the damaged medium.比較是否考慮粘性時的波幅和波傳播時間與損傷的關(guān)系，表明粘性是損傷混凝土介質(zhì)中波傳播所必須要考慮的問題。權(quán)威例句It can also identify potential tsunami impact areas, predict its propagation and its time of arrival and finally issue the tsunami warning to national authorities.UNESCO: EDUCATION 返回 propagation time