题目: 什么是数据采集系统(DAS)? 答案: 参考答案:数据采集系统(DAS)指采用数字计算机控制系统对工艺系统和设备的运行参数、状态进行检测,对检测结果进行处理、记录、显示和报警,对机组的运行情况进行运算分析,并提出运行指导的监视系统。
题型:选择题 Last night, there was a food accident. Ten _____ were ill. But no _____ were lost.A. childs, lives B. children, life C. children, lives D. child, life 查看答案