Several of the employees in the computer department claim to be developing vision problems from having to stare at a videodisplayterminal for about 7 hours a day.
计算机部门的几名员工声称，由于每天要盯着视频显示终端大约7个小时，他们的视力出现了问题。
2
Several of the employees in the computer department, for example, claim to be developing vision problems from having to stare at a videodisplayterminal for about 7 hours a day.
例如，计算机部门的几名员工声称，由于每天要盯着视频显示终端大约7个小时，他们的视力出现了问题。
3
These may be implemented on various types of hardware and usually include a videodisplayterminal.