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汉语拼音：guāng xué

物理学的分支学科。研究光的本性，光的发射、传播和接收，光和其他物质的相互作用的规律和应用。

1. 翰林学士的别称。

   明 沉德符 《野获编·词林·翰林升转之速》：“左諭得 黎淳 以《英宗实録》成，陞左庶子，引故事力辞，虽其意欲得翰林光学，不愿久处坊局，其持论则未尝谬也。” 清 李慈铭 《越缦堂读书记·小腆纪年》：“若翰林学士， 明 世虽为极清要之职，称曰‘光学’，然其秩止五品，自中叶以后，皆以尚书侍郎兼之。”

2. 以光为研究对象的一个物理学分科。

• These $70 American Optics Original Pilot Sunglasses are the real thing, used by astronauts since the beginning of the human space program.

  这70美元的美国飞行员太阳镜光学原件是真实的东西，由宇航员利用自人类太空计划的开始。

• The right for the standard color, optical eyepiece with light regulation and focusing ability, easy to use.

  其右边的为标准色颜色，光学目镜具有光线调节和调焦能力，使用方便。

• The design principle of the optical system and electronic system are described detailed as well as the cooperation between them.

  详细论述了其电子和光学系统的设计原理，以及两部分的协调。

• A simple version of ray tracing known as ray transfer matrix analysis is often used in the design of optical resonators used in lasers.

  一个简单的光线跟踪版本是光线传递矩阵分析，它通常用于激光光学谐振腔的设计。

• Location of high-precision die-cutting optical system is an optical sensor and a set of known as the WayBlock dynamic die-cutting systems.

  光学定位高精度模切系统的核心是一套光学传感器和一套称为WayBlock的动态模切系统。

• The concept of light ray is one which will be of sustained interest to us through our study of optics.

  光线的概念在整个光学研究中是我们始终感兴趣的一个概念。

• However, the terminology is often used to calculate decibels and measure signal intensity on copper, optical, and wireless media.

  然而，这术语常常使用来计算分贝和测量在铜质、光学的和无线媒体上的讯号强度。

• Just a few big companies for traditional optical storage technology standards of bee fiercely, holographic storage is wide concern.

  就在几大公司为传统光学存储技术标准上争得不可开交之时，全息存储则广受关注。

• Tucked away in the corner of an optics catalog, Fergus found a special filter that blocks visible light, but not IR or UV.

  费格斯在一本塞在某个角落的光学器材目录里发现了一种能阻隔可见光的滤光片。