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单选题
Functional Test: That procedure required to ascertain that a system or unit is functioning in all aspects in accordance with minimum acceptable system or unit design specifications . These tests may require supplemental ground support equipment and should be more specific and detailed than an operational test. It should contain all necessary information to perform proficiency test to maintain system or unit reliability at an acceptable level ,without reference to additional documents.
A
A.“功能测试：该过程旨在确定系统或组件按照最低可接受设计标准在所有方面的功能。这些测试可能需要补充地面支持设备，并且应该比飞行测试更具体和详细。它应该包含所有熟练检查所必要的信息，以维持系统或组件在可接受水平上的可靠性，无需参考其他文件。
B
B.“功能测试：该过程旨在确定系统或组件按照最低可接受设计标准在所有方面运行正常。这些测试可能需要补充地面支持设备，并且应该比操作测试更具体和详细。它应该包含所有熟练检查所必要的信息，以维持系统或组件在可接受水平上的可靠性，无需参考其他文件。
C
C.“功能测试：该过程旨在确定系统或组件按照可接受的最少系统和可接受的最低设计标准在所有方面的功能。这些测试可能需要补充地面支持设备，并且应该比飞行测试更具体和详细。它应该包含所有熟练检查所必要的信息，以维持系统或组件在可接受水平上的可靠性，无需参考其他文件。
答案解析
正确答案：B
相关知识点：
功能测试定系统功能，保可靠运行
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