工业产品设计有哪些领域？这种设计类型有哪些基本的设计特征？
Your Cisco network currently runs OSPF and you have a need to policy-route some specific traffic， regardless of what the routing table shows. Which one of these options would enable you to policy-route the traffic？（） ["source IP address and the protocol （such as SSL， HTTPS， SSH）","the packet Time to Live and the source IP address","type of service header and DSCP value","destination IP addre"]
预防性灌浆的作用是隔绝（）与空气的接触，增加采空区密闭效果。 ["煤层","碎煤","煤尘","采空区"]
上报的考勤、工资、奖金等不及时或更改，管理人员（）。 ["红线","通报批评","失格","降档"]
铁路运输企业是指铁路局及其他具有独立法人（）从事铁路运输经营的企业。 ["资格","资质","证明","条件"]
当代人素养的四个学会是？
