这个词是什么意思？
A 3D printing technology where a computer-controlled moving laser beam is used to build up the required structure, layer by layer, from liquid POLYMERS that harden on contact with laser light (photopolymerization).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000076227 · MeSH 2026。
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