A small camera hooked up to a small computer could do the job.
一个连接到微型电脑上的小摄像头就能完成这项工作。
Endoscopy USES a long thin tube with a small camera on the end.
内窥镜检查法用的是一条细长的管子，管子的一头有摄像机。
On each side of the screen is a small camera surrounded by tiny infrared lights.
萤幕两侧各有一台小型摄影机，摄影机旁边则围绕著小小的红外线灯。
On each side of the screen is a small camera surrounded by tiny infrared lights.
萤幕两侧各有一台小型摄影机，摄影机旁边则围绕著小小的红外线灯。
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