大气是声波的传播介质。
任何人都能广播电磁波，实际上没有人拥有这种传播介质。
Anyone can broadcast electromagnetic waves and no one really owns the transmission medium.
研究表明，不同的传播介质对系统分辨率的影响不尽相同。
The results show that characteristics of the system resolution are different for various mediums.
微波技术作为一种传播介质和加热能源已被广泛应用于各个科学领域。
Microwave irradiation as a spread medium and calefaction energy sources is widely applied in all fields of science.
构成文化力的基本要素是文化观念、文化主体、文化传播介质、文化对象。
The elements of cultural power consist of cultural concepts, cultural subject, cultural media, and cultural object.
作为广告的主体和传播介质，跨文化传播中的障碍主要体现在各国文化差异上。
As the main part and transmission medium of AD, the impediment of cross-cultural transmission is mainly embodied in the difference between nations.
传感器使用固体材料作为传感器的传播介质，用新型的压电材料作为敏感元件，提高了灵敏度。
The sensor uses new solid material as transmission media and uses new piezoelectric material as sensitive unit, which raises the sensitivity.
讨论的着重点为传感器布阵、弹着点定位的数学模型、地震波的传播介质及系统总体框图等方面。
The pick-up arrangement, mathematical model of impact-point positioning, medium for the transmission of earthquake waves, and the general system block-diagram etc. are described.
广告在我们今天的社会几乎是无孔不入，它的传播介质多种多样，包括报纸、杂志、电视、广播、网络等。
Nowadays advertising has penetrated into every corner of our life as its transmitting media in many forms: newspaper, magazine, TV, radio as well as network.
根据表面声波传播介质的不同，对检测方法进行了分类，并从检测原理，研究进展及应用等方面对各检测方法进行了详细介绍。
According to the difference of the medium, along which the surface sound wave propagates, the detection method is classified, and the general principle, progress, and its application are introduced.
他们实验了各种已知的传播介质，甚至尝试了业余无线电、警用对讲机、手机等多种替代方案，但无论哪种方案，都无法建立起不受静电干扰却又能传输如此多样信号的连接。
They checked every known communication media, including ham radio, police walkie-talkies and cellular phones, as alternatives, but all failed to find a static-free connection for such diverse signals.
另一种是在非相干的情况下，由于传播介质的不均匀性，例如空气中存在的颗粒状尘埃物质，还有由于某些原因造成的在物体本身表面上就存在的散斑，例如一片叶子表面上的斑点等等。
Another condition is incoherent, because of the asymmetry in the medium. For example the particle in the air, the defect on the surface of the object, such as the speckle on the leafage etc.
声波在一种介质中顺畅地传播，突然触及了不同的介质，这时会发生什么？
You've got a sound wave traveling merrily along through one medium, when suddenly it hits a different medium, what does gonna happen then?
而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。
If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
如你所见，介质越密集，声音传播就越快。
贝斯勒说：“这里有很多污水，气温炎热，人们暴露在这些环境中，这种环境最容易传播以水为介质的疾病。”
"We have a lot of polluted water, we have heat, we have civilians exposed to these elements, which is the ideal environment for the spread of waterborne diseases," Bessler said.
那时，以太被许多科学家看作光传播的介质。
The aether, as then postulated, was considered by many scientists to be the medium through which waves of light travelled.
尽管如此，对于大小的限制和对物质介质的需求意味着大部分DS软件会借助实体卡片传播。
However, size limits and the desire for physical media means the majority of ds software sales will remain retail, distributed through physical CARDS.
传播中的波从一种介质传入另一种介质方向发生改变的现象。
The change in direction of a propagating wave when passing from one medium to another.
由于异向介质是不完善的，光线在传播过程中相互作用互相扭曲。
Due to the medium vision is not perfect, so the light in the process of transmission distortion interact with each other.
本文讨论了在三层平板介质波导中横电波的传播问题。
The problem of a TE wave propagation in a three layers slab waveguide is discussed.
声音通过空气介质传播。
介绍了声学测温的基本原理，推导了声波传播速度与介质温度的关系式，阐述了声学测温的巨大优势和存在问题。
The main principle is introduced, and the relationship between speed of sonic wave and media temperature is deduced. The great merits and existing questions of acoustic pyrometry are shown.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中，提出了梯度土介质的概念。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
首先研究光束通过各种光学介质的传播问题。
We first take up the subject of optic ray propagation through a variety of optical media.
空气及其他介质中的各种振动都是以波动的形式传播的。
The vibration in the air and in the other media travels as a wave motion.
计算实例可以看出频散介质中波的传播情况。
Simulated example illustrates the wave propagation in a dispersion medium.
在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。
Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations.
剪切波速是反映介质对波传播能力的一个重要指标。
Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
剪切波速是反映介质对波传播能力的一个重要指标。
Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
应用推荐