This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
An additional 14 states and Washington DC allow it if voters can argue they will be unavailable on Tuesday.
另外14个州以及华盛顿特区则允许有适当理由表明自己在周二大选日无法投票的选民进行先期投票。
The AJAX High Power DC Filter Network consists of a properly sized choke and capacitor bank with the additional circuit elements required for safe, conservative operation.
我公司的高功率直流电源滤波电路网络包括一个尺寸适当的瓶颈和有附加电路元素的电容器，以使操作保守、安全。
Since the display unit is powered by the same DC voltage that feeds the transmitter, no additional wiring is required.
自从显示器由相同的直流电压供电开始，就不再需要额外的线。
The output amplitude and the length of pulses train are greatly improved with additional semiconductor optical amplifier and filter in the optical fiber loop as the DC component of input keeps low.
光纤环形腔中光放大器、滤波器的加入，以及光脉冲直流基座的降低，可以明显改善输出的幅值和复制序列长度。
The output amplitude and the length of pulses train are greatly improved with additional semiconductor optical amplifier and filter in the optical fiber loop as the DC component of input keeps low.
光纤环形腔中光放大器、滤波器的加入，以及光脉冲直流基座的降低，可以明显改善输出的幅值和复制序列长度。
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