生产缓冲设置在一定意义上是企业敏捷、机动响应市场需求的物质基础；
Production buffer is a basic of agile manufacture and quick response of need from market.
但是，由于其药效物质基础不清楚，使质量控制上存在一定的问题。
However, because of the indistinctness of its effective substances, the quality control has some problems.
但是，由于其药效物质基础不清楚，使质量控制上存在一定的问题。
However, because of the indistinctness of its effective substances, the quality control has some problems.
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