查询词典 noise

The method dose not need to fully reconstruct an attractor. So it is robust to measurement noise.

该方法不需要对动力学系统完全重建，并对观测噪声具有一定鲁棒性。

A simple model of jitter-error audibility has shown that a DAC can tolerate white jitter noise of up to 180ps, but that even lower levels of sinusoidal jitter may be audible.

一个简单的模式抖动误差可听度表明，一个DAC可以承受高达180ps抖动白噪声，但正弦抖动甚至更低的水平可能会听见的。

Methods Take the audibility threshold、basilar membrane stretched preparation and immunofluorescence stain as the index, observing that the rats were put in the stationary noise before 30days until after that for 7days, have vitamin E and sodium chloride , check the auditory brain stem potential and the lost rate and NF-κB of the OHC in the cochlea hair cells expression quantitative analysis.

以听阈、耳蜗基底膜铺片及免疫荧光染色为指标，观察大白鼠在稳态噪声持续暴露之前30天至暴露后7天，灌维生素E或生理盐水，对大白鼠听觉脑干电位分析和耳蜗外毛细胞丢失率分析及NF-κB在耳蜗毛细胞中表达定量分析。

His voice was barely audible above the noise of the machinery.

在机器的轰鸣声中，他的声音几乎听不见。

His voice was scarcely audible above the noise of the wind.

在风声中，他的声音几乎听不见。

Mitsubishi has led the way in audible noise reduction, and this one is as quiet as they come.

三菱领导在听到降噪方式，而这一次似乎平静他们来。

In an environment of 50±3dB background noise, with the audiometer developed by the authors, and an electric otoscope, the hearing of 195 infants aged 38 - 93 days in Beijing area were examined.

在背景噪声为50±3dB环境，使用作者自行研制的BA-33型听力筛查仪和电耳镜对195名北京市区38-93天的要儿进行检查。

Key words:noise; hearing loss; audiometer

噪声；听力损伤；听力计

Methods Pure tone audiometry,SISI,ABLB and white-noise masking effect(Langenbeck's methods) audiometries were performed in 30 patients (44 ears) with sensorineural hearing loss with BOSCH audiometer made in Germany.

用德国产BOSCH听力计对30例(44耳)感音神经性听力损失患者作纯音测试和阈上测听(包括Langenbeck，SISI和ABLB试验)，比较三种试验相对于三种听力曲线及1，2和4 kHz三频率的阳性结果。

The objective of this study was to evaluate hearing threshold shifts and DNA damage using Pure-tone audiometry and comet assay in paper recycling workers who had been chronically exposed to noise in the workplace.

过去的研究已显示废纸回收造纸厂的噪音作业环境会引起不同程度的听力损失，但并没有相关的研究显示是否会引起DNA损伤。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。