The study shows that the difference of the space charge reduction factor between the sheath model and the perfect conducting tube is small at high frequency.

结果表明，螺旋导电面模型相对理想导电圆筒中的空间电荷降低因子在较高频段变化不大。

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Maybe it’s an American personal space thing, but it’s always been an issue for me and having everyone in tight truly makes a difference in the tone of the picture.

或许是美国人的个人空间观念吧，不过这对我来讲始终是个问题，让大家靠近确实能大大改善照片的整体味道。

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The difference between this and the amount of free space available immediately after the collection may be more than the actual amount requested.

这个数量与收集后可用的自由空间数量的差额可能大于实际请求量。

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The master plan that was eventually selected, by Daniel Libeskind, split the difference, arranging a number of office towers around a memorial space occupying the footprint of the Twin Towers.

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Another difference between physical space and cyberspace is the goal of an attack.

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In terms of architecture and scale, arguably such a transition will be akin to the difference between setting up an isolated high desert mobile home park and building a space city with the dynamism of the Las Vegas strip.

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