数码ESP矩阵和点测光选项。
测光传感器是测定可见光谱中能量的仪表。
Photometric sensors are devices that measure energy in the visible spectrum .
按压向上向下按钮选择符单点式或中央偏重测光。
Press the updown buttons to select either spot metering or enter-weighted average metering.
这种方法可以用于对没有感光斑点的底片作面光源测光。
It may be useful for surface photometry on plates without sensitometer spots.
近几十年来，月球多色测光研究成为天文学一个重要领域。
During recent decades, multispectral photometry and relevant researches of the moon have become an important task.
本文给出了39个不同类型的恒星脉泽源的近红外测光结果。
Near infrared Photometry of 39 stellar maser sources of different types is presented in this paper.
本相机有两种曝光测定系统：中央偏重测光和单点测光模式。
This camera has 2 types of exposure metering systems: center-weighted average metering and SPOT metering.
不幸的是，许多内置测光器最多在30秒左右就变得不太精确了。
Unfortunately, most in-camera light meters become inaccurate or Max out at about 30 seconds.
附多功能量测平台，使实验量测光路架设方便稳定，不须额外光学配件。
Multifunction measurement platform included, makes it more convenient and stable to set up experiments. No other optical accessories needed.
CCD测光观测中积分时间的选取，对测光结果的误差大小有很大影响。
Integration time is important to error of photometrical results in CCD photometric and observation.
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。
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.
本文论述了广告摄影摄制过程中曝光、测光、布光以及景深等方面的控制要领。
This paper Outlines many technical control methods, such as exposure, exposure measurement, lighting and depth of field in advertising photography.
测光的时候，是使用ElinchromSkyport无线电引闪器触发闪光灯。
When I measured the light I used the Elinchrom Skyport radio transmitter to test trigger the lightning.
用自动测光还有一点不好，特别是对于一些新手，他们经常的倾向于埋怨相机有问题。
There's a side-effect to using automatic metering that I've noticed among newcomers to photography - there is a tendency to blame the camera.
采用中央重点测光对准虎头测光，其结果是虎头明亮、背景黑暗，正是我所需要的效果。
By spot metering on the head of the tiger, I got a bright head a dark background, which was right the effect I desired.
针对天然卫星相对较亮而且孤立的特点，本文选取了主流测光方法中的孔径测光方法进行探讨。
Given to the configuration of natural satellites, we select aperture photometry from major methods as our main study contents.
讨论有关天体测量中的测光问题，介绍一些地面天体测量仪器和空间天体测量望远镜的测光研究。
The Problem of astrometric photometry is discussed in this paper. The photometric capabilities on both the ground-based astrometric instruments and space telescopes are presented.
自动亮度控制硬件系统作为设计的另一个环节，利用FPGA完成了峰值测光与区域测光的设计。
The automatic brightness control system is another design. The design includes the average and peak area exposure measurement using FPGA.
相机的测光方式要设置在局部测光或点测光方式，测光点对着你想要锁定曝光值的目标，按下锁定钮。
To make this work, use the partial metering mode (or spot metering mode) over the subject where you want to lock the flash output then press the asterisk (*) button.
佳能的E -TTLII甚至可以测出相机和主要被摄对象间的距离并将此作为测光的考虑因素之一。
Canon's E-TTL II even measures the distance to the main subject and that also becomes part of the evaluation taking place.
根据1980—1985年的观测资料，本文统计了一米望远镜卡焦照相测光时焦距随温度变化的规律。
According to the observation data obtained during 1980-1985, the author concluded an empirical relationship between the temperature and the changes of the Cassegrain focus of the 1 meter telescope.
本公司是一家技术力量雄厚专业色卡制作公司，拥有图文排版设计，电脑测光调色及印刷技术的专业人才。
The company is a strong technical force of professional color card production company, owned by layout design, computer metering palette and printing technology professionals.
最后，利用亮星得到的生长曲线对通过最优孔径测得的初始星等进行校正，能较好地提高暗星的测光精度。
Finally, using a growth curve from bright stars to correct the instrumental magnitude can improve measure precision of faint stars quite well.
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。
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.
通常，你可以用大点的光圈测光(这样，测量的曝光时间就在30秒以内)，随后缩小光圈，相应地增加曝光时间。
Usually one can first meter using a larger aperture (so that the metered exposure time is under 30 seconds), then stop down as necessary and multiply the exposure time accordingly.
人类可见的物质只占到整个宇宙总物质的17%，剩下的83%是所谓“暗的”，意味着它们不会释出或反射可测光。
The matter we can see makes up just 17% of matter in the Universe; the remaining 83% is "dark", meaning it does not reflect or emit detectable light.
整个系统由微机控制，设有自动输涂片机械手装置、显微镜工作台自动二维扫描机构、自动测光、自动拍照等装置。
The system consists of control microcomputer, automatic smear feeding unit, automatic 2-dimension scanning mechanism microscope stage, automatic light detection and automatic photographing unit etc.
由于尼康Coolpix 950/990/995使用的TTL（通过镜头）测光，曝光补偿一般不会是必需的。
Since Nikon Coolpix 950/990/995 uses TTL (through the lens) metering, in general no exposure compensation is required.
由于尼康Coolpix 950/990/995使用的TTL（通过镜头）测光，曝光补偿一般不会是必需的。
Since Nikon Coolpix 950/990/995 uses TTL (through the lens) metering, in general no exposure compensation is required.
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