sound pressure造句
(31) AQ10 has a true natural performance of its greatest feature is lightweight and has a higher sound pressure level, it needs to meet a lot of small speakers and a small space to meet the occasion.
(32) The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes.
(33) Combustion noise and the piston knock noise are separated by adopting sound pressure method.
(34) Methods:To measure the peak sound pressure level of impulse noise during missile firing.
(35) AQ12 has a true natural performance of its greatest feature is lightweight and has a higher sound pressure level, it needs to meet a lot of small speakers and a small space to meet the occasion.
(36) The maximum sound pressure level standards of Beijing Olympic Organizing Committee is introduced.
(37) Sound pressure level within the region significantly less than the other regions.
(38) Measurement and calculation of sound pressure level and sound power level.
(39) On the basis of lots of preliminary tests of the hydrophone, sound pressure sensitivity in the air and directivity pattern were tested as well as the ability of receiving sound signal in water.
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