• 盘:积盘上加装特制的的大幅度降低噪声

    Water collector: The noise-absorbing cushion specially made for water collector substantially reduces the noise in water pouring.

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  • 海关人员听到女子裙子里传出“东西翻滚发出噪声”后警觉起来,发现装满塑料袋的围裙,塑料袋里装满,里边还有51条鲜活热带鱼

    Customs staff were alerted by "flipping noises" coming from beneath the woman's skirt, and found an apron of plastic water-filled bags containing 51 live tropical fish.

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  • 由于小城镇自身规模偏产业结构不合理等诸多原因,造成大气噪声污染依然存在

    Due to the small scale of small towns and unreasonable industrial structure, there are pollutions of water, gas and noise.

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  • 噪声忽然起来,大盖住了我们的声音。

    Then suddenly, the noise became loud enough for us to hear over our splashing feet.

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  • 系统空气可能妨碍正常循环可能导致运行噪声发生

    Air in the system can prevent proper circulation of water and may cause noisy operation.

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  • 随着潜艇噪声技术不断提高迫切需要研制灵敏度极高探测器其进行远距离定位,光纤听器的问世正是适应了这要求。

    With the improvement of the technology for submarine to eliminate noise, it is urgently to find out a kind of sensor with high sensitivity to orient submarine from long distance.

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  • 本文将要研究基于矢量听器的拖曳噪声简易抵消方法

    A simple way based on vector transducer for noise reduction had been studied in this dissertation.

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  • 喷漆室噪声设备设计制造应该解决重大技术问题

    To solve the noise problem in sprinkler-painting room is an important matter for the equipment design and manufacture.

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  • 同时也计算了两个噪声宽带窄带空间相关系数。

    The wideband and narrowband correlations for two hydrophones were also calculated.

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  • 针对液体射流噪声振动进行了试验研究;运用B&K加速度仪射流泵部位不同工况的空化噪声与振动进行测量

    The B&K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.

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  • 理想情况下噪声空间充分抵消单个矢量听器便获得无限大的增益

    Under ideal condition, one vector hydrophone can obtain infinite gain, if energy flux of noise can be counteracted in the entire space.

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  • 因为空气噪声等污染已经变得越来越严重了。

    Because air, water, and noise pollution has become more and more serious.

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  • 通过实验室实验,初步验证了向异性噪声矢量听器检测性能影响

    By the experiment at result, the influence of isotropic noise field on detective capability of vector hydrophone is tested.

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  • 本文对中的中子局部噪声整体噪声进行了理论分析。

    The local and global components of neutron noise in water reactor are ana-lysed.

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  • 研究单个矢量听器噪声协方差矩阵,并给出了浅海近岸试验结果

    Noise covariance matrix of a single vector hydrophone is studied with experiment results in the shallow water.

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  • 指出螺旋桨噪声动力噪声设备机座机械噪声有效抑制管道系统便成为安静型”潜艇主要噪声

    Then the pipe system becomes the main noise resource of quite submarine, when propeller noise, hydrodynamic noise and machinery noise of facility base are controlled effectively.

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  • 模型试验方法研究了不同充气方式充气量螺旋桨动力和辐射噪声影响

    The effects of different jet mode and air amount on propeller's hydrodynamics and radial noise are also studied by model tests.

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  • 本文介绍了噪声基准试验信号分析从中得出一些有用的结果

    This paper described benchmark test noise signal analysis of PWR and gets some useful results.

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  • 试验计算结果表明优化外形阻力较大降低,噪声性能有一定改善

    The experiments in water tunnel and the design data indicate that the drag and noise of the optimal shape are improved.

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  • 堆一回松动状态监测系统关键环节在于如何复杂背景噪声中提取松动件冲击信号

    The key problem of the loose parts monitoring system for primary loop of pressurized water reactor is how to extract loose parts impact signal from complex background noise.

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  • 本文首先采用灰色系统评价方法空气污染综合指数等方法中国西部河谷型城市大气地表噪声环境质量进行了客观评价

    The grey system assessment method, air pollution integrated index are applied to evaluate the atmosphere, surface water, noise environmental quality of valley cities in western China.

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  • 路系统中,安装消声器降低管路系统辐射噪声有效方法之一

    One of the effective solutions to suppress the noise radiation is to install a silencer in the water piping system.

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  • 研究利用矢量听器测量目标低频辐射噪声问题,并给出了测量方法海上试验结果

    Studies the measurement of low frequency radiation noise from an underwater target by a vector hydrophone, discusses the method of measurement and presents the test results in the sea.

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  • 针对如何大幅度降低排气温度并兼顾防治倒灌削减排气噪声本文提出了一种喷淋消声器设计方案。

    In view of the factors that how to reduce significantly the exhaust temperature, prevent water pour backward and reduce the exhaust noise, the present theses presented a water spraying silencer.

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  • 对于动力噪声情况感兴趣频率厚度乘积相当,这时零阶对称模式噪声辐射起主要作用。

    For the case of hydrodynamic noise, in which the range of the frequency-thickness product of interest is relatively low, the symmetric zero-order mode dominates the noise radiation.

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  • 第三部分,根据历年环境监测资料芜湖市城市边缘区的大气土壤噪声环境进行评价

    Using previous references of environmental monitoring, part 3 estimates the environmental quality of atmosphere, water, soil and noise in the fringe of Wuhu City.

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  • 工程爆破中的灾害主要有爆破有毒气体扬尘噪声、飞石、振动和爆破引起触地振动、爆破涌浪空气冲击波击波等。

    Disasters in engineering blasting includes toxic gas, dust, noise, fly rock, blasting vibration, touchdown vibration, flood caused by blasting, ground swell, air or water blasting wave.

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  • 工程爆破中的灾害主要有爆破有毒气体扬尘噪声、飞石、振动和爆破引起触地振动、爆破涌浪空气冲击波击波等。

    Disasters in engineering blasting includes toxic gas, dust, noise, fly rock, blasting vibration, touchdown vibration, flood caused by blasting, ground swell, air or water blasting wave.

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