举例说明物流中的效益悖反现象,并说明“效益悖反”学说对促进物流发展的意义。
中国铁路的发展史是一部艰苦奋斗的()。 ["传统作风","光荣传统","历史进程","创业史"]
《空调列车服务质量规范》安全标志和揭示揭挂设置齐全,塞拉门还有“()”标志。 ["禁止触摸","禁止攀爬","禁止倚靠","旅客止步"]
以下有关道路运输驾驶员的法律责任的表述中,正确的是()。 ["饮酒后驾驶营运机动车的,处15日拘留","饮酒后驾驶营运机动车的,吊销机动车驾驶证,10年内不得重新取得机动车驾驶证","醉酒驾驶营运机动车的,吊销机动车驾驶证,15年内不得重新取得机动车驾驶证","醉酒驾驶营运机动车的,重新取得机动车驾驶证10年后方可驾驶营运机动车"]
What two statistics appear in show frame-relay map output?() ["The number of FECN packets that are received by the router","The number of BECN packets that are received by the router.","The ip address of the local router","The value of the local DLCI","The status of the PVC that is configured on the router"]
简述CIPP模式。