尽管这个过程需要进一步的技术分析，但是这些用例能够为可靠的测试要求的输入到其它工作产品中而被分解。
Although the process requires further skilled analysis, these use cases are then decomposed for input into other work products that solid testing requires.
最后，产品特性被分解成系统用例以及能够被进一步分析并作为系统组件的低级需求细化的补充需求。
Finally, the product features are broken down into system use cases and supplementary requirements that can be further analyzed and detailed as low-level requirements for the system components.
海产品样本还进行了化学成分分析，目的就是样本中是否含有英国石油公司在石油泄漏海域喷洒的碳氢化合物及石油分解剂。
Seafood samples are also chemically analyzed for hydrocarbons and the dispersant BP sprayed on the oil slick.
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