大理石纹指肌肉间可见的一小层的脂肪条纹，可在肉品切割处看见。
Marbling is small streaks of fat that are found within the muscle and can be seen in the meat cut.
今后的研究必须进一步解决第二代瘦肉精莱克多巴胺对基因线的作用，而影响肌肉间的脂肪成分。
Future research must further address the interaction of ractopamine with genetic line for percentage of intramuscular fat.
收集口腔颌面部肉瘤标本37例，良性间叶组织肿瘤14例和5例正常肌肉或脂肪组织标本。
OMFS samples, 14 benign mesenchymal tumor samples and 5 normal mesenchymal tissue samples were collected.
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