下面的指标中不属于资本成本竞争力的指标的是() ["短期实际利率","企业获得风险资本","企业资本成本","国家信用评级"]
质量信息的收集原则。
What is a drawback to using the IntServ model?() ["RSVP that signals QoS requests per individual flow","not scalable to large implementations","admission control not supported","use of dynamic port numbers ","UDP not supported"]
为了减轻工程菌的代谢负荷,提高外源基因的表达水平,可以采取的措施有() ["将宿主细胞生长和外源基因的表达分成两个阶段。","在宿主细胞快速生长的同时诱导基因表达。","当宿主细胞快速生长时抑制重组质粒的复制。","当宿主细胞快速生长时诱导重组质粒的复制"]
简述电子游戏的分类。
设计中怎样处理事物外观形态和内部机能两者的关系?