质量控制抽样代理(QC抽样代理)的任务是简单地度量数据库的状态，并将该数据记录在一个数据库表中。
The Quality Control Sampling Agent has the simple task of measuring the status of the database and recording this data in a database table.
抽样产品，进行测试，记录数据，执行工艺操作的统计过程控制，并写入生产日志。
Sample products, perform tests, record data, carry out statistical process control on process operations, and write production logs.
数据库质量控制和统计抽样。
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