The small pits usually seen on the surface of the ornamented middle wall of phosphatized specimens correspond to the attachment spots of the spines in the outer wall.
磷酸盐化标本的中间壁瘤突表面上普遍见到的凹坑，相当于外层壁刺饰所遗留下的附着点。
SEM images indicate that there are many small bright spots on fiber surface.
以上均说明此方法对纤维表面改性效果明显。
SEM images indicate that there are many small bright spots on fiber surface.
以上均说明此方法对纤维表面改性效果明显。
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