Centralized invariants of business logic. If two modules are found to keep the same invariant, they should be merged. It’s difficult to keep invariants in sync between modules.
今年初，开始从整车层面对“速成车”的监管进行收紧。1月29日，工信部修订发布了《道路机动车辆产品准入审查要求》，一个核心变化在于：要求传统燃油车需完成3万公里可靠性测试，新能源汽车需完成1.5万公里。这是国家首次将可靠性测试纳入强制性规定。
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