在顶部和底部各留一点空隙，这样空气就可以流通了。
底板的顶部覆盖了装饰物，形成了一个平台，玻璃栏杆环绕在矩形空隙周围。
The top of the lower slab is covered in decking to form a terrace and glass balustrades surround the rectangular voids.
可见大量针状的胆固醇结晶(针状空隙)，左边有新鲜出血，血栓可在这样的斑块顶部形成。
The plaque contains amorphous pink material with slit-like "cholesterol clefts" of lipid material. There is overlying recent hemorrhage at the left. Thrombus may form on top of such a plaque.
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