A cathode ray tube can hold 300 volts of passive electrical storage, so use a hefty screwdriver across the main power supply capacitor, first.
任何阴极射线管都储存有三百伏电压，所以先要用一把强力螺丝起子来对付主电容器。
2
Ray tracing algorithm is the main algorithm of creating the real graphic.
光线跟踪算法是生成真实感图形的主要算法之一。
3
The main appearances of the X-ray and ct were osteolytic bony destruction, eccentric and expansive growth uneven bony septations, and rim osteosclerosis and ossification.