down to zero meaning in Chinese

零点以下

The claus meter suddenly just dropped down to zero
度量器显示为零
Stable operation down to zero volts
稳定的操作下来对零的伏特
The surrender charge is expressed as a percentage of the initial surrender charge and grades down to zero by the eighth coverage anniversary
退保费的计算方法，是首期保费的某个百分比，然后逐渐递减到第8年至零。
The start timer displays the seconds counting down to zero ( the starting time ) , sounds an audible electronic warning ten seconds before zero , then once every second from five seconds before down to zero , and once again five seconds after zero
起始计时器显示到零的倒计时（从起始算起），在还有10秒时发出可听见的电子警告声，从剩下5秒起每秒响一次，零秒后5秒又响一次。