In nature, there are only two absoluteunits of living organisms: individuals and species.
在自然界，生物体只有两个绝对的单位：个体与种。
2
The resulting limit, given in units of bits per second, is the absolute maximum rate of error-free communication given signal strength and noise level.
在给定信号强度和噪声水平的情况下，以比特每秒为单位给出的最终限制是无差错通信的最大绝对速率。
3
The team behind the project believes this trio of power units could secure the absolute land speed record for Britain for many years to come.