The discharge is sustained in a large gap between the electrodes by establishing a high potential difference between the electrodes.

放电持续在一个大的差距电极通过建立一个具有很大的潜力之间的差异电极。

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The driving force of primary migration is mainly abnormal high pressure and that of secondary migration is buoyance and fluid potential difference.

初次运移的动力主要是异常高压，二次运移的动力主要是浮力和流体势差。

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Uncooled bi-material infrared detectors have the potential of approaching the theoretical limit of noise equivalent difference in temperature because of its high sensitivity and low noise.

非致冷双材料室温红外探测器具有高响应率和低噪声的特点，噪声等效温差接近理论极限。

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Take a well-known statistic: As recently as the 1970s, there was little difference in the lifetime earning potential between a high school grad and a four-year-college degree holder.

FORBES: Is College Worth It?