()是将信号接口面板输出的信号进行规范标准化处理,形成可被数据采集系统接收的信号。
A、信号处理面板
B、信号采集面板
C、信号控制面板
D、信号转换面板
参考答案:A
下列各项中不属于凝血疾病典型症状的是
A.点状出血
B.关节出血
C.束臂试验阴性
D.轻度损伤时出血增多
E.深部血肿
—What are you going to give your mother for her birthday, Lucy?
—I'm not sure. But I'll buy her ______.
A. something special
B. anything special
C. special anything
D. special something