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N a small slender pointed structure or crystal, esp any of the calcareous or siliceous elements of the skeleton of sponges, corals, etc (海绵、珊瑚等的)骨针 (Also called spiculum)
A few years ago, a new kind of faster, shorter-lived spicule was discovered.
过去几年中,一种快速而短寿的新型针状体被发现。
The structure and mechanical properties of silica sponge spicule found in China Bo-hai were studied.
研究了我国渤海海域发现的一种硅质海绵骨针的结构和力学性能。
There is reactive new bone with pale pink osteoid being laid down next to a bony spicule at the upper left.
并有反应性的新骨生成,在靠近左上部骨板处呈现淡红色类骨质。
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