The classification of distance regular graphs is one of the most important problem at all.

距离正则图的分类问题一直是距离正则图研究中的一个重要的问题。

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By using the eigenvalue techniques and properties of intersection Numbers, it is obtained that the distance regular graphs with the following intersection arrays are nonexistence.

利用距离正则图的特征值方法和交叉数的性质，证明了具有下列交叉阵列的距离正则图是不存在的。

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Part of a successful long distance relationship is being able to emulate patterns found in regular relationships.

成功的异地关系部分是因为能够仿照正常关系的模式。

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Despite the great distance there is a regular trickle of Zapotecs into the US, with the main destination being Los Angeles.

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While there has been some talk about using these bags on a regular basis for long-distance bulk water deliveries, they seem to have a clear role to play in emergencies.

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No one has yet heard of suicide bombings, and there are no regular armed Palestinian forces at a walking distance from Israeli towns and military bases.

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