By representing a building on an isometric grid, the drawing can present details in the foreground and background on a uniform plane, aligned to the parallel lines of the grid.
用一个正方形格子来表示建筑物，将前景与背景画在统一的平面上，依照格子的平行线排好。
In the plane, the combination type of fault is parallel-aligned, grid-type, broom-like, skew-type.
断层在平面上主要呈平行式、网格式、帚状和斜交式等组合类型。
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