TTL flash exposure measurement takes the risk out of flash photography.

TTL闪光曝光测量采用的闪光摄影的风险了。

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The automatic brightness control system is another design. The design includes the average and peak area exposure measurement using FPGA.

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。

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This paper summarizes the quality assurance work of external exposure measurement for national survey of environmental natural radioactive level.

本文总结了全国环境天然放射性水平调查外照射测量的质量保证工作。

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The core research areas providing this critical information are measurement, human exposure assessment, human health, and the environment, in order to inform risk assessment and risk management.

WHITEHOUSE: Office of Science and Technology Policy Blog

Core research areas addressed in the 2011 strategy include: nanomaterial measurement, human exposure assessment, human health, environment, risk assessment and management, and the new core area of predictive modeling and informatics.

WHITEHOUSE: Office of Science and Technology Policy Blog

Since aperture plays a part in exposure, it's important to understand "stops of light, " a measurement of the amount of light entering the camera.

ENGADGET: Primed: What is aperture, and how does it affect my photos?