acicular

The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur...

过偏光和反光观察试样釉层结构,发现虹彩釉在成釉过程中釉层表面析出了针状黑锰矿晶体。

Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果凸两面；喙差不多等于珠心长度；种子离生果皮；对具刺在先端针状叶和苞片。