Philo had invented the special camera tube earlier that year.
这一年初，菲罗发明了这种特殊的影像管。
A plan of new type camera tube with high clarity is put forward.
文中提出一种新型的高清晰度电视摄象管的方案。
Each dot of light is translated by the camera tube into all electronic signal.
每一个光点都是由摄像管转换成电子信号。
Each dot of light is translated by the camera tube into all electronic signal.
每一个光点都由摄像管转换成电子信号。
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。
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。
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