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acoustic pressure level 声压级
Measurement of sound pressure level for sound sign. 海船声号器具的声压级测量。
Then acoustic radiative pressure level is computed with a 3-D FE acoustic-field model and bounary conditions imported from the result of vibration response by infinite FEM. 建立齿轮箱外声场二维有限元模型，导入齿轮箱振动响应结果作为声学边界条件，并采用无限有限元法计算了辐射声压级。
In this paper, a cab is analyzed with SYSNOISE for the sound pressure level (SPL), structural mode participation factors and acoustic mode participation factors in the cavity. 在计算实例中，计算了由于汽车发动机振动引起的车内噪声的声压级、结构模态的振动参与因子和声学模态的参与因子，分析了引起车内噪声的主要原因。
It is revealed that acoustic quality is an important consideration in these buildings, and it may vary considerably with the same objective acoustic indices such as sound pressure level and reverberation time. 分析表明了声品质在这类非声学建筑中的重要性, 另外, 即使客观指标例如声压级和混响时间相同, 声舒适度亦可能完全不同。
The output signal from the interferometer is proportional to the acoustic pressure in water. 输出的信号直接正比于液体中的声压。
Calculations for differential pressure level transmitters shall be carried out. 应进行差压液位变送器的计算。
Experiments indicate that our contrast technique is not sensitive to contrast dose, flow rate, acoustic pressure. 证明本文提出的造影成像方案对声压、流速、造影剂浓度在一定范围内不敏感。
In a word, whether in estimator performance of DOA or detector performance of signal, vector array is excel to general acoustic pressure array. 综上所述，无论是目标方位估计性能，还是信号检测性能，矢量阵都优于常规声压阵。
The acoustic pressure and acoustic power of the whole structure are obtained by superposing those of each infinitesimal element. 以每个微元为一单位，分别计算声压和声功率之后叠加起来，即得整个结构的声辐射。
On the contrary, the collapse of bubble will become more violent with higher acoustic pressure, but overhigh pressure will make it never happen. 提高声场声压会加剧气泡崩塌程度，但过高的声压又不能使微气泡崩塌；
Methods A hydrophone was used as energy converting equipment to collect wave of acoustic pressure in the field of ultrasound. 方法：采用水听器作为换能器，通过采集超声信号在空间声场内一点的声压波形。
Objective To ascertain the relation of blood pressure level with fundus diseases in middle and old-age cuperators. 目的研究中老年人血压水平与眼底病变的关系。
In circumstances like varying SNR, fluctuating acoustic pressure and excursive frequency, numerical simulation shows that the detection system works well. 在信噪比变化、声压起伏、线谱漂移等情况下，仿真结果表明双稳态随机共振系统都能较好地工作。
Ultra-low distortion at extreme sound pressure levels. 超低失真的极端声压级。
Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪声问题的解决办法就是在其声源处或是在其传播途中降低其声压水平。
By measuring the acoustic pressure at two points along the tube, the standing wave sound field in the resonator could be separated into incident and reflected components. 在该方法中，只要测量沿程两点的声压，便可将管内平面驻波声场分解为入射波和反射波两种分量。
Objective To investigate and analysis the blood pressure level and its relative factors in Shiyan. 目的观察分析十堰市部分人群血压水平及其相关因素。
To ascertain the relation of blood pressure level with clinical electrocardiogram(ECG) findings in the elderly of Wenzhou city. 目的 :研究温州市部分老年人的血压 (BP)水平及其与临床心电图 (ecg)类型的关系。
This simple treatment also rationalizes the observed insensitivity of burning rates to chemical factors and pressure level. 这个简单表达式也能解释观测到的燃烧速率对化学因素和压力量级的不敏感性。