The effects on the contrast of the LCLV projectingsystem, such as the LCLV driving signal voltage, frequency, duty cycle and the display screen illumination were analyzed.
分析了LCLV驱动信号的电压幅值、频率、占空比以及屏幕照度等诸多因素对投影系统对比度特性的影响。
2
This year's report moved it up again — projecting that the system will run dry in 2037.
而今年的报告又把日期提前了，预计该系统会在2037年用光资产。
3
Later on, while I waited with hundreds of people to get on the D.C. Metro subway system, a friend and I looked through photos from the day by projecting the camera's images onto a concrete wall.