声速

Sound velocimeter and X-ray Diffractionwere used to measure the crystallization and orientation of the fiber.

通过采用声速仪、X-射线衍射等分析与检测手段对纤维取向度和结晶度进行了测定。

PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.

采用声速仪及X射线衍射仪对不同牵伸倍数和不同预氧化程度的PAN纤维进行取向度和预氧化程度的测试，并将其结果进行对比。

It has also been confirmed by the measurement of ultrasonic sound velocity.

通过对其超声声速的测量，确认了此相变的存在。

It is hard to discern the change of sound oscillation with our hearing in general experiment for mensurating velocity of sound.

在一般测定声速的实验中，利用听觉很难辨别声波干涉形成的振动加强和减弱的变化。

Objective: Study the influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field.

目的：研究声衰减系数、声速、温度等媒质参数对声聚焦的影响。

Read to you, with the jumping of my front, call out you, Use the legend of my velocity of sound.

读你，用我胸前的跳跃，唤你，用我声速的传奇。

Ultrasonic wave pulse technique was used to investigate the velocity of sound and attenuation of the damaged samples PBXN-S.

采用超声探伤仪对损伤材料PBXN-5的声速和声衰减进行了测量。

If we sit still and talk we are, from the physical point of view, creating sound waves, which spread from their resting source with the velocity of sound in air.

如果我们静坐着说起话来，从物理学的观点来说，我们在创造声波，这种波从静止的声源以空气中的声速传播。

The scattering intensity and the sound velocity of the acoustic phonon decrease with x.

实验还发现声学声子的散射强度和声速随Bi含量的增加而减少。

This signal source is specially used in the experiment which measures the velocity of sound by ultrasonic.

它与实验中应用的声速测量仪及示波器配合，可以采用驻波法、相位法、时差法等测量方法来测超声波的速度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。