铁电阴极材料，作为一种新型的功能材料，以其高的发射电流密度等优点而受到重视。
Being a novel functional material, the ferroelectric cathode materials were studied well with the leaded materials for their high electron emission density.
根据显象管阴极电流模拟值等于整幅图象的电流数字值之和的原理，可推出各象素的发射电流密度。
It is supposed that the relation between the analog current and the summation of the digital current value of picture element is equal.
根据显象管阴极电流模拟值等于整幅图象的电流数字值之和的原理，可推出各象素的发射电流密度。
It is supposed that the relation between the analog current and the summation of the digital current value of picture element is equal.
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