反之，有疏有密的结构排列，可使视网膜充分刺激达到视觉美感的享受。
On the contrary, there are sparse structure of a dense arrangement, can stimulate the retina to reach the full enjoyment of the visual aesthetic.
密质骨骨基质的主要成分胶原纤维和骨盐仍维持原有形态及结构特征，胶原纤维聚集、排列成规则的网状支架。
The main composition of extracellular matrix of compact bone, collagen fibrils and minerals, were preserved in the natural position and structure characteristic.
海绵组织厚度变化不明显，细胞排列增密。
The spongy tissue thickness had no obvious change. And it's cell arranged densely.
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