树脂封存的独角仙微观标本

Macro photograph of a rhinoceros beetle ethically preserved in a clear resin research block, minute air bubbles, accurate wing case ridges and refracted edges, dark slate table, narrow side light, clinically sharp without labels

微距摄影，一只独角仙作为研究标本封存在透明树脂块中，细小气泡、准确鞘翅纹理与边缘折射清楚，深石板桌面，窄侧光，临床般锐利且无标签。