Which multicast address is reserved for cisco-rp-discovery?() ["224.0.1.37","224.0.1.38","224.0.1.39","224.0.1.40"]
简述应如何进行采购计划执行的监控?
《铁路客运运价里程表》中,接算站示意图中,接算站用()圆圈表示。 ["黑色","红色","绿色","黄色"]
铁路客货运输票据属有价证券,是铁路运输企业核算运输进款的()。 ["原始收据","原始资料","原始票据","原始凭证"]
加速原理
怎样理解设计活动中的招标?