Measurement and calculation of sound pressure level and sound power level.

声压级及声功率级的测量和计算。

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Regularities of pressure on surface with sound pressure level and frequency are also given.

并给出了模型表面压力随声压级及频率变化的规律。

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The sound pressure level changes acutely in shock intersection, and shocks outside nozzle and exhaust plume cause strong noise.

声压级在相交激波点附近出现剧烈变化，喷管出口处的激波和排气羽流造成强噪声。

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The air pressure in a plane during flight is lower than at sea level.

VOA: special.2009.07.14

They got lost in the fear or pressure performing at this high level.

在恐惧和压力下，因赛事之高,而迷失。

普林斯顿公开课 - 人性课程节选

The DuoSense software identifies the position of the Pencil and the pressure level, removing the need for an excitation coil within the DuoSense digitizer and can be used either as an integral part of the solution or as an optional after-market accessory, enabling OEMs to offer system upgrades, making the Digital Pencil ideal for the consumer market.

ENGADGET: N-trig's Digital Pencil plays pen and fingertip roles, claims mastery of both

Concerns over consistency and dealing with the pressure of Test level competition, the sort of 'mental vermin' that fuel my game.

BBC: SPORT | Cricket | First win provides timely boost

Ashleigh Griffin ( 2008 FWIS Fellow), Elizabeth Murchison ( 2009 FWIS Fellow), Araxi Urrutia ( 2007 FWIS Fellow) and Patricia Alireza ( 2009 FWIS Fellow) provided fascinating insights into their work on the behaviour of bacteria living in the lungs of cystic fibrosis patients, transmissible cancers in Tasmanian Devils, human gene and genome evolution and the effects of high pressure at quantum level.

UNESCO: UK National Commission for UNESCO :: For Women In Science Fellows Share Experiences at Science Museum 'Lates'