在客户角色演进的过程中,把客户视作被动的购买者,认为其拥有预定的消费角色的是哪些时期?()。 [" 20世纪60年代"," 20世纪70年代和80年代早期"," 20世纪80年代和90年代早期"," 20世纪90年代"," 21世纪"]
当物料操作温度很高,要求载热体的温度也很高时,宜采用()作为载热体伴热。 ["热水","水蒸气","热空气","导热油"]
word编辑文本时,将文档中所有的“Computer”都改成“计算机”,可用()操作最方便。 ["中英文转换","替换","改写","翻译"]
On a Cisco Aironet 1130AG Series standalone access point, the status LED is dark blue and blinking. What does this indicate?() ["The internal radio has failed.","A firmware upgrade is in progress.","An access point buffer overflow is occurring.","The access point is booting."]
从广义上来讲,企业的客户包括() [" 企业的供应商"," 企业的员工"," 企业的合作伙伴"," 企业产品的购买者"," 企业的竞争对手"]
简述决策支持系统的各个级成部分及其功能。