采用光栅技术，用98J型精密测量投影仪对X光底片进行测量，用微机采集和处理数据。
The 98J mode precision measurement projector is used for measurement of X ray plate by grating technique and a personal computer is used to collect and to process the data.
用这根数据线，一边连接投影仪的输入口，另一边连接电脑的输出口，就可以把投影仪连接到电脑上了。
Use this cable; connect one end to the projector input, and the other end to the computer output. Then you connect the projector to the computer.
用那根数据线，一边连接投影仪的输入口，另一端连接电脑的输出口。
Use the cable. Connect one end to the projector input, and the other end to the computer output.
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