UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.
格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）
We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks.
我们都知道时间是个复杂的概念。目前，世界上有一个由大约500台原子钟组成的网络，而我们就通过这些原子钟精确的滴答进行计时。
We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks.
我们都知道时间是个复杂的概念。目前，世界上有一个由大约500台原子钟组成的网络，而我们就通过这些原子钟精确的滴答进行计时。
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