To make sure that the cameras are accurately recording small changes in reflected light, engineers look for a bright light against a dark background to provide a reference point.
为了确保相机准确地记录来自反射光的细微变化，工程师寻找暗背景上的亮光，来提供一个参照点。
The computers needed a strong, clear guiding light to track, as a kind of reference point.
计算机需要强大而清晰的导向光作为一种参照点。
With a theoretical analysis of double vision Angle and double channel reconstruction and experimental result, double reference light rainbow hologram are obtained and recorded.
完成双参考光彩虹全息图的制作，并给出其记录及双视角、双通道再现的理论分析及实验结果。
If I can see the light source, I usually make sure to leave a mark here on a separate layer as a point of reference.
如果我能看到光源，我通常一定要在一个单独图层上留个记号作为层参考点。
The facades are designed with finely detailed brickwork, in tones ranging from light to dark industrial grey, creating a reference to the Greenwich Peninsula's great industrial history.
建筑立面采用了精细化的砖块，其色彩基调范围从浅色到深色工业灰，其创建以格林威治半岛最好的工业历史作为参考。
Fringes are formed when the optical difference (OPD) between a reference wave front and a test wave front based on the interference of light is an integral multiple of the illuminating wavelength.
测试中，当测试波前相对于参考波前的光程差是照明波长的整数倍时形成干涉条纹，由此而形成的二维图就是干涉图像。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
Probably here the "secret" is to respect the light conditions that we have in our render and find a reference with the same characteristics, this will give more sense to our final result.
或许做出好的效果图的秘密就是参照一样的效果图来制造我们的灯光环境。
A new semiconductor temperature sensor with single light source is proposed. The light switch is used to construct a reference channel.
一种新型的单光源半导体温度传感器，利用光开关控制设置参考通道。
Alternatively, calibration may be checked using a Polarization Reference Standard, which consists of a plate of quartz mounted in a holder perpendicular to the light path.
或者，校准可以通过使用一个偏振标准品来进行，该标准品由一片装在垂直于右侧通道的架子上的石英构成。
To acquaint you with light industrial goods we handle, we are sending you , by separate airmail, a commodity list and several sample books for your reference. We welcome your inquuiries.
为使你公司了解我公司经营的轻工业品，我们将另航寄商品清单一份、样本若干，供参考。
By engineering example, the design and structural problem of light steel net rack combination structure in belt transport engineering are analysed, there is a reference value.
通过工程实例，分析了轻钢网架组合结构用于皮带运输工程中设计与构造问题，仅供同类工程参。
Indicator light provides quick visual reference of a tripped condition.
指示灯能够快速跳闸条件的视觉参考。
The high-frequency modulation reference light and the optical signal to be tested are reflected to the photoelectric sensor by a semi-permeable semi-reflector.
高频调制参考光和被测光信号是通过半透半反光镜照 射到光电传感器上。
Because the coherent light has a consistent frequency and wavelength, itis used as a reference with which to measure the differences in the reflected light.
相干光具有稳定的频率和连续的波长，所以用来作为参照，以衡量不同反射光之间的差异。
Using the feedback control technology for reference, a light path of close-loop feedback is done with the pulse laser as control signal.
借鉴反馈控制技术，由脉冲激光控制信号实现光路的闭环反馈。
Starting from the wave differential equation, a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis.
在柱坐标下从微分波动方程出发，推导柱面光波的场分布，并利用远场近似条件导出当线光源与光轴成任意角度时，在垂直光轴方向的参考面上的复振幅表示。
In experiment broad band light source combined with a fiber tunable filer scans reference spectrum and sensing spectrum respectively.
实验中利用由宽带光源和光纤可调谐滤波器组成的可调谐光源分别扫描了参考光谱和传感光栅的光谱。
In experiment broad band light source combined with a fiber tunable filer scans reference spectrum and sensing spectrum respectively.
实验中利用由宽带光源和光纤可调谐滤波器组成的可调谐光源分别扫描了参考光谱和传感光栅的光谱。
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