单项选择题There were many renowned musicians and singers, such as the musician official Shi Xiang in the Lu State, the musician official Shi Kuang in the Jin State. A.对B.错
单项选择题光电信息检测系统是指将待测光学量或非光学待测物理量转换成（），通过光电变换电路和计算处理的方法进行检测的系统。
