总成.可设置定时器和光束传感器.动态本底扣除.
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These ensure optimum visibility thanks to a light beam that follows the course of the bend.
这些确保最佳能见度由于光束后面的弯曲过程.
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Researchers realised that a tunable laser beam might be useful in surgery.
研究人员意识到,可调谐激光束也许可以用在外科手术中。
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我们从事过热核能 、 激光束折射, 氛分子发展和电脑重水数据的研究工作.
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Lamp-holder be titled 30 and down and be moved and down to adjust beam angle.
灯头可上下调节各30度,并且通过上下移动灯头可调节光束的角度.
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The detection concept for large diameter beam parallelism with penta prism is introduced.
介绍了用五棱镜法检测大口径光束平行度的原理.
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Incoherent interaction of two parallelly launched self-trapped beams was studied.
研究了非相干情况下两个平行传输的自陷光束的相互作用.
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A visible red light beam can be positioned for easy setup and target alignment.
清晰可见的红色光束可为简单的设置和目标保持一致进行定位.
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利用广义惠更斯-菲涅耳衍射积分公式,研究了平顶多高斯光束通过球差透镜的聚焦特性.
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Under astigmatism even narrow parallel light beams will not combine into one point.
有象散存在时甚至很窄的平行光束都不能会聚在一点.
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