Objective to explore the relationships between the cystoid type and the sclerous type polycystic ovarian syndrome (PCOS).

目的探讨囊泡型与硬化型多囊卵巢综合征(PCOS)之间的联系。

X-ray cephalometry films were taken before and after treatment, The position of the incisors and sclerous tissues and soft tissues were analyzed.

矫治前后摄X线头颅定位侧位片，对切牙位置及硬、软组织进行测量分析。

Sclerous concrete materials possess the characteristics of imperceptibility, microcosmic and more micro-pores, even excellent high-performance cement possess so.

硬化后混凝土材料具有细观、微观多孔隙特征，即使配制良好的高性能混凝土，也含有微孔隙和微裂纹。