The CO2 system is the fixed fire fighting system.

CO2系统是固定式消防系统。

Each civilization thus invented its own more or less fixed, more or less arbitrary, system of adjustment.

但每个文明社会都发明了自己的或多或少固定的，或多或少任意性的调整体系。

They wrangled the quarter-million known units into one fixed, decimalised system, " for all times and for all peoples" , embodying the ideals of the Enlightenment in scales and tape-measures.

他们将 25 万个已知单位争辩为一个固定的十进制系统，“适用于所有时代和所有民族”，体现了启蒙运动在天平和卷尺中的理想。