3 -principle 3: Use "pull-type system" to avoid over-production.
原则3：使用“后拉式制度”以避免生产过剩。
Principle 3: Create clarity of roles.
原则3：建立明确的角色。
Principle 3: Run as little as possible: Target your testing
原则3：尽可能少地运行：关注于您的测试
Principle 3: use requirement attributes to determine the best use case model.
原则3：使用需求属性决定最好的用例模型。
Principle 3 If you are wrong, admit it quickly and emphatically.
如果你错了，迅速、郑重的承认下来。
Principle 3 - Talk about your own mistakes before criticizing the other person.
在批评对方之前，不妨先谈谈你自己的错误。
Principle 3: understandable - Information and the operation of user interface must be understandable.
原则3：可理解的——信息和用户界面的交互必须是可理解的。
Principle 3 - licensing criteria: the licensing authority must have the power to set criteria and reject applications for establishments that do not meet the standards set.
原则3—发照标准：发照机关必须有权制定发照标准，有权拒绝一切不符合标准的申请。
Principle 3 - licensing criteria: the licensing authority must have the power to set criteria and reject applications for establishments that do not meet the standards set.
原则3—发照标准：发照机关必须有权制定发照标准，有权拒绝一切不符合标准的申请。
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