Feeder system was superior to feeder-free system during the culture of ES cells.

在ES细胞培养过程中，有饲养层体系优于无饲养层体系。

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Feeder system was superior to feeder-free system during the culture of ES cells.

在ES细胞培养过程中，有饲养层体系优于无饲养层体系。

youdao