而被称为“同步向量”的设备能以一秒30次或更快的速度采样电压和电流——向电力公司和系统操作员提供有关电网健康状况的信息更为精确。
Devices called synchrophasors can sample voltage and current 30 times a second or faster-giving utilities and system operators a far more accurate view of the health of the grid.
我知道这样的形象超不雅观，但是我非常希望了解我跑步速度的精确信息。
I realize this is super geeky, but I love to know precisely how fast I'm going.
这种方法不需要得到目标精确的曲率命令和速度方位信息。
The algorithm needs no accurate information on the curvature command and velocity relative heading angle of the target.
GPS能在全球范围内提供精确的位置、速度和时间信息，在军事和民用领域发挥着极其重要的作用。
The GPS can provide the accurate position, speed and time information, it plays the most significant role in the military and public fields all over the world.
GPS能在全球范围内提供精确的位置、速度和时间信息，在军事和民用领域发挥着极其重要的作用。
The GPS can provide the accurate position, speed and time information, it plays the most significant role in the military and public fields all over the world.
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