The decibel level was mounting.噪音在增强。The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝....
Some employers reneged on agreements once the recession set in.经济一衰退,有些雇主就违背了协议.Both had reneged on paying off the loan.两人都违背了还清贷款的诺言.The management agreed to raise the workers'pay, but they reneged on their word.资方...
The Bourdon - type pressure gauge is more convenient for most purposes than a liquid manometer.在很多情况下,使用鲍敦式压力计要比液体压力计更为方便.What kind of piping system should the Bourdon effect be considered to?哪种类型的管系中应考虑到波登效应?Effect of d...
Rescuers used props to stop the roof of the tunnel collapsing.救援人员用支柱防止隧道顶塌陷。...the backdrop and props for a stage show.一场舞台剧的背景幕和道具Wood is still extensively used for props.木材仍广泛地用于支柱.I had two props in my life; one was ...