Count Up Down上下计数
count-down test倒数计时检查
count-down marker倒数标记
count-down准备时间读数;计数下降;递减速计数英语
Count-down timer计数下降计时器
Count-down method逆序计数法
Count-Down Counter递减计数器
count t down倒计时;倒计时本文来源考试大网
count - down倒计时
The user can make the choices of 9 kind of working patterns through the control panel pressed key and save the data of "the count down time value" ,"the operating temperature value", "the upper limit temperature value", "the lower limit temperature value"and "waitting temperature value" to EEPROM.
用户可以通过控制面板的按键对9种工作模式进行选择及对“倒计时时间值”、“工作温度值”、“上限温度值”、“下限温度值”和“待机温度值”进行设置并存储到EEPROM。
参考来源 - 智能网络医用理疗仪控制器的设计与实现N-SING（单数型名词） A countdown is the counting aloud of numbers in reverse order before something happens, especially before a spacecraft is launched. 倒计时 [also no det]
The countdown has begun for the launch of the space shuttle.
航天飞机发射前的倒计时已经开始。