The Antennae galaxies take their name from the long antenna-like "arms," seen in wide-angle views of the system.
触角星系因其长长的触角状旋臂而得名，用广角视野观察下这个“触角”很明显。
The image was taken by the spacecraft's Wide Angle Camera (WAC) on the Mercury Dual Imaging System (MDIS).
这幅图片是由飞船上双成像系统的广角摄像头拍摄。
This article describe the concept and definiens of Angle of view of super wide Angle bore hole television system, and by means of this television system to measure the object in the well accurately.
本文提出了超广角井下电视系统视场角的概念及标定，以及利用该电视系统对井内落物尺寸进行精确测量的方法。
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