本文对三种窝形翅片管——单面球形窝、单面柱形窝、双面球形窝与普通光滑平板式翅片管在吸风式直流风洞上进行了性能对比实验研究。
A performance comparison experimental research of three kinds of socket-shape fins and plain-plate fin is carried out in a drawing wind tunnel.
和大部分爬行动物不同，它是一种大形的无颞窝爬行动物，它靠身子下面的脚来支撑它庞大的身躯。
It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight.
结果成骨细胞呈饱满的梭形，ALP染色阳性； 破骨细胞呈多核，TRAP染色阳性，可以吸收骨质形成骨陷窝。
Results Osteoblasts are full fusiform, ALP stain positive cells, while osteoclasts are multinuclear and TRAP stain positive, with the ability of forming bone lacuna;
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