Most plastic products for domestic or construction use consist of three-dimensional networks of cross-linked polymers.

绝大多数用于家庭和建筑的塑料都是由横向耦合的三维聚合体。

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Calculated results showed that the current distribution over three-dimensional networks is more uniform than that over general grid and plate of lead-acid battery.

结果表明，与常规板栅相比，三维网络碳化硅板栅与极板内电流分布比较均匀。

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Here, the convenient three-dimensional transportation networks, such as the fast tracks, subways and inter-city railways, become the best condition for commodity distribution.

这里快速通道、地铁、城际铁路等四通八达的立体交通网络成为商品集散的最佳条件。

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