A traceability system is in place, including tracing back from the final product through qualitycontroldata and batch records to the raw materials used and the suppliers?
现场是否有可追溯体系，包括通过质量控制数据和批次记录，由最终产品追溯到所有的原材料和供应商？
2
Even though the tasks accomplished by these tools are different, the data that they provide are all relevant to software qualitycontrol.
尽管这些工具完成的任务不一样，但是它们提供的数据都与软件质量控制有关。
3
The de-normalization causes difficulty on data retrieval, analysis, and qualitycontrol.