Any two diameters of a circle intersect each other.圆周内两直径必相交.This microscope magnifies 40 diameters.这台显微镜能放大40倍.The microscope magnifies the object 100 diameters.显微镜把物像放大了一百倍....
This machine is fully automatism number controlled, its operation is handy, andits cutting is exact.本机全自动数字控制，操作简便，切割精确。Objective : To observe the clinical feature and electroencephalogram ( EEG ) characteristic of autom...