树立读秒意识吴进国在英国的伯明翰市，有一座别具一格的倒计时大钟，它显示从现在开始到２１世纪还有多少秒！是的，我们的时代己经进入“读秒”时代！现实生活中，我们越来越多地遇到倒计时和“读秒”的场合：在导弹、火箭和卫星即将发射的时刻；指挥中心的计时器在一秒... Establish a sense of countdown Wu Jinuo in Birmingham, England, there is a unique countdown clock, which shows how many seconds from now until the 21st century! Yes, our time has entered the “countdown” era! In real life, we are increasingly encountering countdown and “countdown” situations: at the moment the missiles, rockets and satellites are about to launch; the command center’s timer is in a second ...