A nanosecond is one-billionth of a second.
1纳秒为十亿分之一秒。
This anomaly, which breaks the laws of physics, lasted a billionth of a billionth of a billionth of a second.
这种打破了物理定律的不正常现象持续了十亿分之一秒的十亿分之一的十亿分之一。
However, after the experiment described above the difference in time between the two clocks was less than a billionth of a second, which is why very accurate clocks were needed.
但是经过上述实验后，两个钟表的时间差距不到十亿分之一秒，所以需要用两个非常精准的钟表。
The centimeter - gram - second electromagnetic unit of inductance, equal to one billionth a Henry.
电磁亨利厘米-克-秒制中感应系数的电磁单位，相当于一亨利的十亿分之一。
The centimeter - gram - second electromagnetic unit of inductance, equal to one billionth a Henry.
电磁亨利厘米-克-秒制中感应系数的电磁单位，相当于一亨利的十亿分之一。
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