出声

An analytic expression for the acoustic pressure in farfield are then obtained.

考虑弹性结构、可压缩流体和粘弹性消声瓦在交界面上的相互作用，然后给出了远场声压的解析表达式。

The traditional AE characteristic parameter analysis method has been used to study the damage process of the product.

提出声发射检测技术在某型导弹的球形补压气瓶检测中的应用，找出传感器的安装布局和定位声发射源的算法，采用参数分析的方法对产品在变形损伤过程中的AE特征进行研究。

To distinctly find out the relationship between the rigidity of tablet and the ultrasonic speed,laser is emitted to the tablet and then we measure the speed of reflected surface acoustic wave and analyse the experimental data,finally get the tablet rigidity-wave speed curve.

为了清楚地了解片剂的硬度与超声波速度之间的关系，利用激光照射到片剂上，通过测定出反射的声表面波速度，且对实验数据进行分析，从而得出片剂的硬度与声表面波速度之间的关系曲线。

Cavity flows both with and without sound excitation are studied by solving the 2 D time dependent Reynolds averaged Navier Stokes equations using explicit predictor corrector difference algorithm of Mac Cormack.

采用显式MacCorma－ck二步预估校正有限差分格式，求解二维雷诺平均非定常Navier－Stokes方程；并用Cebeci－Smith代数紊流模型作适当修正来模拟紊流效应，对有、无前缘声激励两种情况的空腔流场作了数值模拟，计算的振荡频率及振荡幅值都与实验结果基本符合，并且较好地模拟出了声激励对流场的影响。

Then, maneuvering that iron stove through that doorway, with another mighty grunt Pete just heaved it forward and outward, and it smashed down against her little grassy-patched dirt back yard, the sounds of the crash and the iron cracking open sending her little spotted feist dog and her few any-breed chichens all yelping and squawking and flying.

句子翻译：然后，彼特搬着铁炉走出门口，又大喝了一声，举起铁炉向前往外抛去，顿时落在她乱草丛生的小后院，摔成碎片。撞击声和生铁的破裂声把她的小花狗和几只小鸡吓得咯咯大叫，四散飞逃。

A finite automaton was used to build up the shallow water ray tracing model,and the model state,transition, event and action were analyzed.

用有穷状态自动机对浅海的声线追踪建模，给出了浅海声线追踪内在的状态及状态转移分析。

The estimation errors, including the finite difference approximation error, the instrumentation channel mismatch error, and the error caused by ambient noise, are studied systematically.

文中基于声信号的空间互谱分析，给出了声强向量阵的定向原理，并系统分析了其定向误差，包括有限差分误差、通道失配误差和环境噪声引起的误差。

Aimed at rapidity and low power consumption required by intelligent mines,based on correlation theory and pattern recognition technology,a new method is given,in which helicopter noise signal of time domain is analyzed directly,that is to estimate fundamental frequency by calculating self-correlation function,then recognize target thinking of the fundamental frequency as characteristic quantity.

预警识别是被动声探测的关键技术之一，其作用是探测环境噪声信号作为预警信号，当直升机或其它目标出现时，传声器检测到的声能首先被转化为一定幅度的电压信号，电路通过判断信号的大小和其它特征来确定是否出现直升机目标。

Zen and Shin jump to catch them then one shoots an arrow while the other sends out the thunder toward the devil king.

天行还没说完，木土二人就痛哼了一声，向后飞摔而出，战心两人纵身接住了他们，然后一人射出圣箭，一人使出雷光，向天魔打去，可是圣箭一碰到天魔就消失了，雷光也像帮天魔搔痒般，天行著急的回身望去，只见一道白光从童博眉心激射而出，之后童博整个人都被白光包围，这团光瞬间变成光柱冲向天空，连已成形的天魔都被其强烈正气逼退了一步

In this model, the noise field in sound shadow region is deduced by applying Huygens-Fresnel principle. It provides a new ideal for deducing the diffraction sound of complicated noise source.

模型中对声影区的声场分布采用惠更斯-菲涅耳原理进行推导计算，给出的理论计算公式可为推导计算其它复杂声源的衍射声提供借鉴。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。