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- pressure spectrum level 压谱级
- The spectrum level of microseismic noise tends to peak at about 1/6 Hz. 微震的噪声谱在1/6赫趋于峰值。
- The spectrum level of microseismic noise tends to peak at about 1/6 Hz . 微震的噪声谱在1/6赫趋于峰值。
- The experimental tests involved the total sound power level, the sound pressure spectra and the sound source directivity of the AFF are firstly presented. 本文首先进行了轴流风扇总声功率、声压频谱及声源指向性等声学特性的实验测试。
- On the basis of this solution, this paper gives the sound pressure spectrum densities of broad band and harmonic sources, and then discusses the characteristics of these sound fields respectively in detail. 在此解基础上,本文得到宽频源和简谐源的近场声压谱密度,指出此2种声源近声场各自的特点及源的旋转半径和轴向位置对声场结构的影响。
- spectrum level of underwater noise 水下噪声谱级
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样?
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严,所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- The metal frame tends to twist under pressure. 这种金属框受压後容易变形。
- His health collapsed under the pressure of work. 他的身体被工作压垮了。