您要查找的是不是：
- narrow beam bathymeter 窄束水深测量器
- I lit the smoke with a narrow beam of light. 我用一个小光柱点燃了烟。
- He then shines a narrow beam in horizontally through the pinhole. 然后他通过小孔水平地射入一窄光束。
- A thin line or narrow beam of light or other radiant energy. 光线，放射线极细的一条或极窄的一束亮光或其它辐射能
- A high-power laser beam colliding with a high-energy electron beam produces a narrow beam of gamma rays. 高功率雷射束与高能电子束相碰时，会产生一束极窄的伽玛射线。
- The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe. 选用方向性好、增益高、旁瓣低的角形反射器天线作为本论文的研究重点。
- The rest of the Wilkins Ice Shelf, which totals about 14,500 square kilometers, is holding on by a narrow beam of thin ice. 总面积约在14500平方公里的威尔金斯冰架的其他部分正在支撑着一条狭长的薄冰。
- Chapter 3 obtains the retrieval of parameters of wind above sea surface and ocean wave spectra from simulated narrow beam HF radar backscatter, gives the simulate results. 第三章通过数值模拟的窄波束高频(HF)雷达的海面回波多普勒谱，反演了海面风场、浪高谱等海态参数，并详细介绍了反演的方法、步骤，给出了模拟结果。
- However, entrainment can, if applied with appropriate power and frequency, seriously degrade the ability of targeted people to function, and by using the higher radio frequencies, can be focused into a fairly narrow beam. 不过，诱导作用可以，如果应用适当的功率和频率，可以严重退化目标人群的身体机能，并采用较高的无线电频率,可以集中到一个相当狭窄的光束。
- Radar sets generally employ large antennas to produce narrow beams in much the same way as a search-light reflector. 通常雷达采用大型天线以产生狭窄波束,其方法基本上与探照灯反射镜相似。
- The narrow beams of sound advertise sale items at the store or restaurant and feature promotional material. 这个狭窄的声音柱在商场或餐馆做广告销售商品并播放促销内容。
- This is because even though all the raindrops out there are reflecting rainbow colors, they do so in very narrow beams. 这是因为即使所有的雨滴都在反射出彩虹的颜色，它们也是在非常窄的光束下反射的。
- narrow beam linear attenuation coefficient 窄(X线)束线性衰减系数
- The energy salvos and counter-salvos sent narrow beams of blindingly bright light and streams of angry red-orange annihilation disks skewing through the blackness. 能量武器和防护武器不停发射，道道刺目的亮光和愤怒的橙红色湮灭光弹流在黑暗中斜穿交错。
- The road is too narrow to allow the passage of gondola. 这条街太窄，大型货车不能通过。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- narrow beam panoramic zonography 窄束(X线)全景厚体层摄影(术)
- The mountain path is narrow and rugged. 狭隘的山路崎岖不平。
- The travelers edged warily along the narrow road. 旅游者沿着狭窄的小路小心前行。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
