【简答题】With the increase in productivity, the cost will be________.
【简答题】创造性是指与现有技术相比,该发明具有突出的____和显著的____。
【判断题】With the increase in productivity, the cost will be reduced.
【判断题】高效液相色谱和气相色谱用于鉴别的依据是保留时间。( )
【判断题】存储区域网络SAN的存储设备上有操作系统。
【判断题】The lower cost of foreign labor is often offset by lower levels of productivity.
【判断题】发明的创造性是指与现有技术相比,该发明具有实质性特点和进步。