The electric potentials given rise by the charges even distributed in space of pillar regions are calculated by means of the superposition principle of electric potentials.

将无限长线电荷看成二维平面上的一个“源”，利用电势叠加原理计算了无限长柱形均匀分布的电荷产生的电势。

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By giving the roof a kind of folded plate roof structure, we were able to fulfill the pillar-less interior space.

由于使用可折板式的屋顶结构，室内的柱子非常的少。

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I decided to constitute this building as one room space (9m span) which does not have a pillar inside of building, which becomes very useful for conversions to various USES (playroom etc.).

我决定用一个房间的空间(9米跨度)来构成这个建筑，并且在建筑内房间的建造中不设有支柱，这会使房间变得非常实用，随时变换各种用途(游戏室等)。

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