The Lattice Point problem is typical one of these problems.
格点问题便是这类问题中具有代表性的一个。
A cow can be placed at each lattice point within the fence without touching the fence (very thin cows).
牛可以在不碰到电网的情况下被放到电网内部的每一个格点上(十分瘦的牛)。
The physical meaning of reciprocal lattice of two-dimensional crystal and weight of the lattice point are explored.
讨论了二维晶体倒易点阵的物理内容和点阵点的权重。
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