连续流动式自动生化分析仪去蛋白是利用()
A.加热器
B.吸附剂
C.气泡
D.透析器
参考答案:D
One use of networks is to let several computers share()such as file systems,printers, and tape drives.
A.CPU
B.memory
C.resources
D.data
电子内窥镜导入图像的元件是()
A、光导纤维
B、电荷耦合器件
C、棱镜组
D、导光管