What is the flooding scope of an OSPFv3 LSA， if the value of the S2 bit is set to 1 and the S1 bit is set to 0？（） ["link local","area wide","AS wide","reserved"]
技术保养
《动车组列车服务质量规范》包裹套不定期清洗，保持干燥整洁。
乘务员不执行值乘车门管理范围检查瞭望制度，属于（）问题。 ["红线","A1","A2","B"]
8253的各个通道都为16位计数器，若要求计数值为最大，必须输入的计数初值为（） ["FFFFH","0000H","0001H","1000H"]
教育策划与教育决策的关系是怎样的？
