需求确认 Need recognition ; Requirements validation

切换请求确认 Handover request acknowledge ; Handover Request ACK

请求确认 Asking for Verification ; Requesting confirmation ; Verification requested

寻求确认 Seeking confirmation

追求确定性 The Quest for Certainty

功能需求确定 Functional Requirements Determination

要求确认 confirmation request

需求确认方法描述 requirement validation methods description

技术要求确定阶段 definition phase

需求不确定性 Demand uncertainty