The temperature of an object detected by the infrared detector depends on the emission coefficient, the distance and the lighting area.

一个物体的温度的红外线探测器发现取决于排放系数，距离和照明领域。

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At a predetermined distance (a), the infrared detector "sees" a circular area that is called the visible surface (b).

在预定的距离(一)，红外探测器“看到”的圆形区域内被称为可见的表面(乙)。

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The design of large area neutron array detector at RIBLL for the study of neutron-rich nuclei is presented.

介绍了一种用于丰中子核研究的RIBLL终端大面积中子探测器阵列的研制。

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The light-sensitive area on each CCD detector measures 45.0mm by 59.0mm, encompassing 1, 966 pixels by 4, 500 pixels.

BBC: A billion pixels for a billion stars

Working on a leash, one of the group's trained African rats can clear an area in 30 minutes that would normally take someone with a metal detector two days, Mr. Cox said.

WSJ: Sniffing Out a More-Efficient Mine Sweeper

He told Australian media the prospector had been using a state-of-the-art metal detector, which meant he was able to find the gold relatively deep underground in an area which had been searched many times in the past.

BBC: The gold nugget found in Ballarat