英语词汇“逆计数”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	逆计数
释义	逆计数 nì jì shù由大到小倒着数的时间计数方法。发射宇宙飞行器时，为引起发射人员高度注意，一般从发射前一小时起，指挥部以分为单位报时；从发射前五分钟起，以秒为单位报时。可随时告诉人们离运载火箭点火时刻的时间间隔。逆计数法在其他场合也被采用。
随便看	overfly updating overfoaming overfoci overfocus over focus over-focus overfocused overfocuses overfocusing over-focusing overfocussed overfocussing overfold overfolded overfolding overfold overturned fold overfolds overfolw oscillation overfolw proteinuria overfond over-fond over-fondle overfondly overfondness overfond of chocolate