企业通过产品生命周期成本为产品制定价格,对定价决策具有决定性意义,从而增强了企业产品的市场竞争力()
干部身份因公致残,经过医院证明达到()级及以上工伤等级的,符合办理退休手续。()
Router R1, a branch router, connects to the Internet using DSL. The engineer plans to use a configuration with a dialer interface. The answers list a feature and interface on which the feature could be configured.Which combinations accurately describe the interface under which a feature will be configured?()
已知随机变量X,Y相互独立,且都服从标准正态分布,则X2+Y2服从()。
述烟草霜霉病的症状特点、病原菌形态特点;病害发生规律和流行条件;在国内的适生区域以及检疫检验方法。