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	strainning frame strain nonlinear softening strain number straino Straino strain observation Strain of Achilles tendon strain of architecture strain of attention strain of back Strain of back strain of breed strain of Cordyceps sinensis strain off Strain off any excess liquid strain of flexure strain offset strain off the water strain of geotextile strain of hepatitis virus A strain of hepatitis virus B strain of inaetivated vaccine strain of infraspinatus muscle or tendon strain of joint Strain of lumbar region