A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.
第二种可能性则能应用在更加耗电的设备上。其原理是发射一道精确聚焦的红外激光线，击中光伏电池，由此能够将光束转换回电能。
Tracking twice as many targets as the radar it replaces, the AESA features active electronic beam steering, which allows the radar beam to be repositioned nearly instantaneously.
AESA雷达可以跟踪所替代雷达跟踪数量两倍的目标，可对有源电子波束进行控制，其波束近乎瞬间即可重新配置。
The researchers then narrowed down the X-ray beam so that it was just a tenth of a millimetre across and found that the fractal-like regions occurred only where the beam struck the sample.
研究人员随后将X射线的光束收窄，使其只有十分之一毫米宽，这时他们发现，碎片形的区域只出现在射线照射的地方。
Then you send laser light through a beam splitter to divide the beam between the two arms, and let the light bounce back and forth a few times before returning to the beam splitter.
然后你通过分光器发射一束激光，让光线在两条边不断反射再回到分光器。
By the time it gets to Gran Sasso the beam has fanned out, and big though it is, Opera only sees neutrinos from part of the beam.
当它到达格兰·萨索的时候粒子束已经发散了，尽管Opera很大，它也只能看见部分粒子束产生的中微子。
And this beam... this is the laser beam here that we shine into the mirror.
这个光束。，这是我们照到镜子，上的激光束。
That means the beam produced is of higher quality than other lasers, is extremely straight (even by the exacting standards of a normal laser beam) and can thus be focused onto a small area.
(甚至符合正常激光束的严格标准)这样就能将能量集中传送到一个小的区域范围内。
Well, those are the three differences between a beam of ordinary light and a laser beam.
好了，那些是三个不同点在普通光束和镭射光束二者之间。
The definition of beam width is significant for the quality of laser beam.
在激光光束质量问题中，光束束宽的定义至关重要。
There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.
没有什么其他的途径，可以让镍晶体发射，单束X光来，继而得到环状图案，如果电子束，是以粒子束形式出现的。
Beam coverage and coloring scheme is the premise of multi-beam communication (research).
覆盖和染色方案的确定是研究多波束通信的前提。
The optimum phase control code for beam pointing increases accuracy of beam pointing obviously.
利用这种控制码，波束指向精度提高了一个数量级。
A device for converting heterogeneous beam of radiation to homogeneous beam by absorption or refraction of unwanted components.
利用吸收或折射掉不需要的成分，把非单色光束变成单色光束的装置。
Beam always on: If this is checked the the pointer beam is always visible but the Destination Set event is still only emitted when the assigned button is pressed.
(光束总是开启)：如果这个勾选，光束指针总是可见，但是设置目标点事件仍然只会在所指定按钮松开时发出。
Beam curve offset: the amount of height offset to apply to the projected beam to generate a smoother curve even when the beam is pointing straight.
(光束曲线偏移)：投射光束时应用的高度偏移量，就算在光束径直指向时也能产生一个光滑的曲线。
The third difference is this: a beam of ordinary light diverges; a laser beam does not.
第三个不同点是：普通光束分离；而镭射光束却不然。
That's the first difference between a beam of ordinary light and a laser beam.
这是第一个不同点在普通光束和镭射光束之间。
The roof is made of prefabricated wood boards, with plywood sheathing that spans from beam to beam.
屋顶由预制木板与在梁与梁之间跨越的胶合木屋面板建成。
Girder at one end of the support on the center column, the other end of the support beam on beam cars.
主梁的一端支撑在中心柱上，另一端支撑在端梁小车的端梁上。
In a certain range of span, the slab bridge without beam has more advantages than that of the beam bridge.
在一定跨度范围内，与梁桥的相比，无梁板桥具有更多的优点。
Every main beam or dipped beam emitted by a headlamp or fog lamp carried by a vehicle shall be a beam of white or yellow light.
由安装在车辆上的大灯或雾灯发出的每束主光或低光，须是一束白光或黄光。
And it can be used for designing composite i-beam and i-typed crane beam.
这对工程上组合梁及吊车梁的设计具有实际意义。
Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.
无线电射束也象探照灯的光束一样，是不能高度集中的；它总要散开。
By modeling the mechanical part, Angle and motor of the ball-beam system, the simplified transfer function of the ball-beam system is obtained.
通过建立球杆系统机械部分模型、角度模型和电机模型，简化后得到了整个球杆系统的传递函数。
The transport efficiency and the maximum beam current of beam channel can be increased.
可提高低能离子束的传输效率和束通道的最大传输束流。
It would be of important significance to study the laser beam characterization, beam propagation, mode decomposition and beam quality control.
因此，研究部分相干光的传输特性、光束质量和模分解具有重要的理论意义及实用价值。
Spiral electrical conduit to convert the field using mobile light beam lights and high beam, to meeting the standards of precision automotive and can be reused.
螺线形电导管利用移动光栏来转换近光灯和远光灯，能满足汽车的标准精密度并且能够重复使用。
The methods and results for the 5 main parameters of energy, beam current, dose uniformity, beam scanning width, and beam profile were given.
给出了能量、流强、扫描均匀性、扫描长度以及束斑形状等5个重要参数的测量方法及结果。
The methods and results for the 5 main parameters of energy, beam current, dose uniformity, beam scanning width, and beam profile were given.
给出了能量、流强、扫描均匀性、扫描长度以及束斑形状等5个重要参数的测量方法及结果。
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