声速是海洋声呐测量中最重要的声学参数之一。
The sound velocity is one of the most important acoustic parameter in ocean sonar.
分析了超声速piv系统的硬件及算法应具备的性能。
The performance of hardware and algorithm of supersonic PIV system were analyzed.
声速测量精度与动态性能等要求的矛盾通过独特的硬件来解决；
The ultrasound velocity measurement accuracy and other requirements were satisfied by some special design in hardware.
通常使用的气流速度超过声速，其结果是织机噪声的提高和能耗的增加。
These normally exceed sonic velocity with the consequence that the loom are noisy and consume considerable amount of energy.
浮现的黑子区似乎能使当地的声速增加，从而使声波更快地通过这个区域。
The emerging sunspot region seems to boost the local speed of sound, thereby hastening the refracted return of sound waves passing through that part of the solar interior.
对薄型材料中超声波传播规律进行分析，得到材料声速与共振频率的关系。
The relation between sound velocity and syntonic frequency is gained by analyzing the ultrasound transmitting in thin material.
横波声速与类瑞利波声速在数值上的差别是明显的，不容忽视，不宜混淆。
The difference between the values of the velocities of the transverse wave and the Rayleigh-like wave cannot be neglected.
吸气式高超声速飞行器是下一代单级入轨和高超声速巡航研究的重点飞行器。
Air-breathing hypersonic vehicle(AHV) has been the next generation single stage to orbit vehicle and hypersonic cruise vehicle.
针对高超声速再入飞行器最远距离滑翔制导关键技术，设计了一种新型制导律。
A novel guidance law is devised for developing the guidance technology of optimal glide of a hypersonic reentry vehicle.
运用此方法，本文数值模拟了三维开式空腔的超声速、跨声速、亚声速流动。
Using the above method, numerical simulations are implemented for supersonic, transonic and subsonic flows around three-dimensional open cavities.
本文采用改进的流线曲率法对跨声速多级轴流压气机非设计点进行了性能模拟。
An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors.
光速大约为声速的100万倍，因此光波的反射现象可以有效地用来探测目标物及其距离。
Since the speed of light is about a million times as great as that of sound waves, the reflection of light waves may very well be applied in detecting a target and its distance.
结合设计实践，提出了亚声速离心叶轮CAD研究中应重点解决的若干理论问题。
In this paper, connected with centrifugal impeller design, authors proposes some theory problems to he investigated in CAD research of subsonic centrifugal impellers.
海域水文资料的不断丰富和声速仪的广泛使用，推动了水深声速改正精度的提高。
The accuracy of depth reduction has been improving with the continuous accumulation of hydrographic data and widely application of sound velocity profiler.
经过野外调查，本文例证了两种要素(运动传感器补偿和声速)影响获得数据质量。
Through field survey, this paper illustrates there are two factors (motion sensor compensation and sound velocity) mainly effect acquired data quality.
结果表明，中国近海的声速剖面结构可分为深海型、浅海型和过渡型三个基本类型。
The result shows that there are three basic types of sound speed profile structure in sea areas of China: D-type, S-type and T-type.
最后，在很远的距离处，爆震波基本上就变成一种声波，其速度已接近周围的声速。
Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity.
在实施声速剖面测量时，由于某些原因可能存在实际水深大于声速剖面深度的情况。
In the hydrographic practice, the real depth may be more than the depth of sound velocity profile.
若水合物下方的沉积物捕集了天然气，其声速会更低，由此产生的反射波具有鲜明的特点。
If the sediment underlying a hydrate entraps natural gas, its acoustic velocity will become much lower, resulting in vivid characteristics of reflections.
故此，英勇的小羊从南极的大气层以超声速飞来，并用一个综合的光电策略观纠正了他们。
So the heroic lamb flies from the atmosphere Antarctic at a supersonic speed, who then corrects them with a photoelectric lactic synthetically.
现在不证明-,你们将在803章学到-,我告诉你们声速,是杨氏模量的平方根,除以介质的密度。
Without proof-- - you will see this if you ever take 803-- I will tell you that the speed of sound is the square root of Young's modulus divided by the density of the material.
它们的特性依赖于这个非线相互作用势，在此时存在超声速、声速和次声速的孤立子运动。
Its properties depending on the non-linear interaction potentials, there are the supersonic, sonic and subsonic soliton motion in the protein molecules.
利用本文的方法，分别计算了跨声速叶栅流动和工程中一类复杂非定常轴对称跨声速流动。
The new method is used to study transonic flow in cascades and one kind of complex unsteady transonic axisymmetric flow in arc breaker.
这座储能厂会把“闲时”的电力储存在2500磅的飞轮电池中。 飞轮的轮缘线速度之高，超过声速。
The plant would store cheap "off peak" electricity in 2,500-pound flywheels that turn faster than the speed of sound.
这座储能厂会把“闲时”的电力储存在2500磅的飞轮电池中。 飞轮的轮缘线速度之高，超过声速。
The plant would store cheap "off peak" electricity in 2,500-pound flywheels that turn faster than the speed of sound.
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