倒数: reciprocal计数: count; tally; counting时间: time; hour倒数计数器: reciprocal counter计数时间的: horary自动倒数时间计算: automatic countdown最后倒数时间计算: final coundtdown差错计数时间: error counting time样品计数时间: sample-in counting interval注入到计数时间: injection-to-counting time发射前倒数时间计算: launch countdown发射前准备倒数时间计算: preparation countdown发射后递加计数时间: plus time有试样时的计数时间: sample in counting interval倒数计时: br / the final countdown; time is ticking out倒数计时器: countdown timer计数时钟: count clock倒数计时阶段: stage of countdown; stage of the countdown半实数时间: semi-real time常数时间: constant time常数时间100: constant on-time control with 100nsec load-ste response大多数时间: most of the time等数时间: latency读数时间: reading duration对数时间律: logarithmic time law