This introduces the need for aggregation, and in this case nested aggregation, because the batch request message is repeated on an outlet basis and then repeated on an order basis.
这将引入对聚合的需求，并且在这种情况需要使用嵌套聚合。因为批处理请求消息是以分店为基础重复的，然后以订单为基础重复。
In the repeated batch culture experiment, the immobilized cells maintained a high capacity and machinery strength after 30 batches.
双载体固定化细胞经30 批次连续重复发酵产酶稳定在较高水平，固定化细胞粒子机械强度高。
In the repeated batch culture experiment, the immobilized cells maintained a high capacity and machinery strength after 30 batches.
双载体固定化细胞经30 批次连续重复发酵产酶稳定在较高水平，固定化细胞粒子机械强度高。
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