更新优选用户区域列表 preferred user zone list
更优选地，提取和释放的步骤重复至少一次。
Preferably, the extraction and release steps are repeated at least once.
上述去分化型软骨细胞向软骨细胞的再分化用培养基更优选含有T3的方式。
In a preferred embodiment, the above-described medium for the redifferentiation of dedifferentiated chondrocytes into chondrocytes further contains T3.
该多层结构优选为薄膜，更优选为袋状物的形式，优选用于包装可流动产品，特别是牛奶。
The multilayer structure is preferably a film, more preferably in the form of a pouch, preferably for packaging flowable product, especially milk.
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