例句與造句

1. Sound pressure levels can go up to 150 dBSPL . Acoustic tests are used to verify the mechanical resistance of the satellite and its elements to acoustic pressures generated.
2. This system can generate sound pressure levels up to 160 dBSPL . Each acoustic chamber has its own configurations, but each siren is centered on a frequency where sound pressure levels are the highest.
3. A transducer can be made to project a narrow beam of modulated ultrasound that is powerful enough, at 100 to 110 dBSPL, to substantially change the speed of sound in the air that it passes through.
4. These values are the interval for the sound pressure level to the lower of 30 or 60 dBSPL . It can be obtained by measuring the sound pressure decrease after a sound impulse or by using approximate formulas such as Sabine's or Eyring's.
5. It's difficult to find dbspl in a sentence. 用dbspl造句挺難的