To realize the high efficiency of dernisting, thenew type cathode wires and anode tubes with superperformance were developed for increasing the current density and field intensity.

实现除雾高效化，关键在于研制高性能的新型阴极线和阳极管，提高电流密度和电场强度。

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Objectives to investigate intensity of extremely low frequency magnetic field (ELFMF) emitted from cathode-ray tubes (CRT) of monitors in various directions and to find ways to avoid its influence.

目的研究电脑阴极射线管显示器正前方不同距离和不同方位的极低频磁场(ELFMF)强度，就如何减少ELFMF的影响提出初步建议。

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