A qualifier can be used to denote a specific type of requirement, e. g. product requirement, quality management requirement, customer requirement.

特定要求可使用修饰词表示，如产品要求、质量管理要求、顾客要求。

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The term may also denote the limb or the locomotive or prehensile organ of an invertebrate (e. g. , the ray of a starfish or the tentacle of an octopus).

arm一词亦指无脊椎动物的附肢或运动器官，如海星的腕、章鱼的触手和腕足纲动物的腕足。

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