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使用标准培养液的传代细胞均为阴性。
The cells, which were cultured in standard culture medium, were negative.
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几次传代培养后，大多数具有遗传稳定性。
Most of them had inheritable stability after several generation.
youdao
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几次传代培养后，大多数具有遗传稳定性。
Most of them had inheritable stability after several generation.
youdao