The air around the particle heats up, but the hollow center of the beam stays cool.
粒子周围的空气受热，但光束的空心部分仍然保持原来的温度。
One way to get round this limitation is to set up a laser in mid-air, its beam sampling the molecules along its path as it returns to the source.
避免这个局限的一种方法是在两者之间放置一个激光器，它的光束在返回光源时对途径的分子进行取样。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
起初，吉林用激光束测量光在这些空气样本中的传播速度。
Travelling through air and turbulence can disperse the energy of the beam.
穿过空气和乱流时会分散光柱的能量。
A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.
美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。
Light sent into the oil layer was confined there, bouncing between the metal and air boundaries. The beam spread out ever more quickly, generating a trumpet-shaped glow (see image).
当把光传入油层后，就被约束在那里，光线在金属和空气的边界之间不断反弹，于是产生了喇叭状的辉光(见图片)。
Following 133 hours of firing a beam of intense laser light which created nitric acid particles in the air it resulted in binding the water molecules together to create droplets.
在连续133小小时向空中发射密集激光束从而在空中制造出硝酸粒子后，空气中的水分子凝聚在一起形成了小水滴。
We see the beam from the flashlight because the light is reflected by particles of dust or moisture in the air.
因为空气中的灰尘或水汽反射电筒的光，我们才看得见电筒的光束。
In 1907, Einstein likely did not foresee a time when dust-sized particles of glass could be trapped and suspended in air by dual laser beam "optical tweezers."
1907年时，爱因斯坦似乎没能预见到这样的时代，在这个时代，“镭射光钳”发射双重激光，从而困住灰尘一般大小的玻璃微粒，使它们悬浮在空中。
The AESA fighter jet radar enables the radar beam to be steered for situational awareness and air-to-air and air-to-ground capability.
AESA雷达允许雷达波束可以同时进行态势感知扫描和空对空及空对地扫描的能力。
A beam made up of handfuls of hell bank notes, in the air against two walls tightly.
用一捆捆的冥钞砌一个横在空中的梁柱，紧紧地顶着两面墙。
A novel audio beam loudspeaker which based on nonlinear propagation effects of ultrasonic in the air to generate audible sound with high directivity is presented.
提出了一种利用空气中超声波非线性传播效应制作的、可产生高指向性可听声的新型声束扬声器。
The dispersive and nonlinear properties of the microstructure fiber with hexagonally distributed air-holes in the cladding are numerically simulated by using the vectorial beam propagation method.
采用矢量光束传输法对空气孔包层呈正六边形分布的微结构光纤的色散和非线性特性进行了数值模拟。
According to the multi-beam interference occurred at the air gap for the polarizing light of Taylor prism, the transmitted light intensity depends on the incident Angle.
通过泰勒棱镜的单色偏振光束在空气隙处发生多束光的干涉，使得透射光强依赖于入射角的大小。
The propagation characteristics of laser beam in underground air medium were studied, primary causes of the laser energy decaying in the underground were explored theoretically and practically.
研究激光光束在井下空气介质中的传播规律，从理论和实践上探索和分析井下激光能量衰减的主要原因。
The paper demonstrate Sinfluence of air temperature change acting to concrete box beam on the base of observation and test of hte bridge.
本文在实桥观测与实验研究的基础上，论证了大气变温对混凝土箱梁的作用。
Propagation of high intensity laser beams through long air paths suffering from energy loss and beam quality deterioration was experimentally demonstrated.
研究了强激光长程空气传输过程中主光束能量损耗与光束质量退化效应。
Laser ablation of pure copper was investigated using photoacoustic signals excited in surrounding air when a pulsed-laser beam impinges a metallic surface.
利用脉冲激光束轰击金属样品表面时在周围空气中激发的光声信号研究了纯铜的激光烧蚀。
The profile of transmitted Gaussian beam varies with the change of incident angle and air-gap thickness.
且透射高斯光束的形状也随光的入射角以及空气隙厚度的改变发生变化；
Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
When designing the doorframe wall of civil air defense according to the Code for Design of Civil Air Defense Basement, the internal forces are computed based on the cantilever beam model.
依照《人民防空地下室设计规范》对门框墙构件设计计算时，其内力采用悬臂梁结构计算模型，但是门框墙结构从结构受力特性上分析更接近于四边约束的板式结构。
The response of the beam for blocking entrance in civil air-defense engineering under the conventional weapon explosion is calculated and analyzed by taking a typical blocking beam as an example.
以典型口部封堵梁为例，对其在普通爆破弹爆炸作用下的响应进行计算与分析。
When laser beam transmit through air, the intention, phase and direction will be changed random for the disturb of over-fall.
激光束通过有湍流的大气传输时，其强度、相位和方向都会受到扰动而出现相应的随机变化。
The joint uses the spring-beam as a flexible framework, and the expandable cylindrical bellows elastomers by air pressure are used as a muscle.
此关节采用板弹簧为柔性骨架，波壳弹性体受气压后轴向膨胀作为肌肉动力。
Aiming at beam string structure with double cables, the stereoscopic force body system of its special air space, this text adopts the theory of finite element and software as to analyze the structure.
本文针对双索张弦梁结构独特的空间受力体系，采用有限元理论及工具软件对其分析与研究。
A novel audio beam loudspeaker is fabricated by utilizing the nonlinear propagation effects of ultrasonic in the air to generate audible high directivity sound.
一种新颖的声束扬声器是捏造的利用超声波在空气中的非线性传播效应，产生声音的高指向性的声音。
The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface.
水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
The life times of the air-guiding wall and the water-cooling beam are the main factors which effects the shaft furnace production.
导风墙水冷大梁的寿命是制约我国竖炉生产的主要因素。
The life times of the air-guiding wall and the water-cooling beam are the main factors which effects the shaft furnace production.
导风墙水冷大梁的寿命是制约我国竖炉生产的主要因素。
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