Focusing on the problem of detecting metal tube's gap on continuous cold tube rolling line, this paper describes the necessity and advantages of detecting by eddy current leakage measure.
本文针对连续冷轧管生产线上的管缝探测这一实际课题，阐述用电涡流法实现监测的必要性与优越性。
The calculating formulas in the paper are available and convenient for computer aided design of focusing magnetic field of camera tube.
文中计算公式对于计算机辅助设计摄像管聚焦磁场是适用和方便的。
This paper introduces many advantages about fhe focusing system witha grid electrode for DGS LLLTV camera tube.
本文通过计算结果叙述了DGS型微光摄象管移象段栅极调焦系统的多方面的优点；
This paper introduces many advantages about fhe focusing system witha grid electrode for DGS LLLTV camera tube.
本文通过计算结果叙述了DGS型微光摄象管移象段栅极调焦系统的多方面的优点；
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