负闰秒 meaning in English

negative leap second

Although it is possible to have a negative leap second - that is , a second deducted from coordinated universal time - so far all have been add - ons , reflecting the earth ' s general slowing trend due to tidal braking
尽管也有实施负闰秒制从协调世界时中扣除一秒的可能，但迄今为止，只有加，没有减，这说明由于受潮汐减速的影响，地球的自转速度大体上呈减慢趋势。
Although it is possible to have a negative leap second - - that is , a second deducted from coordinated universal time - - so far all have been add - ons , reflecting the earth ' s general slowing trend due to tidal braking
尽管也有实施负闰秒制（从协调世界时中扣除一秒）的可能，但迄今为止，只有加，没有减，这说明由于受潮汐减速的影响，地球的自转速度大体上呈减慢趋势。