The speed of the fall was caused by a tabulation delay .
下跌如此之快起因于“计算延迟(tabulationdelay)”。
Independent monitors collected the numbers instantaneously using mobile phones in an exercise called " crowd tabulation " .
独立的监督机构使用手机上的一种被称作“群体制表”的功能立即收集数字。
And in its 2004 and 2009 elections , el salvador refined its voter lists , created new identity cards , and improved the reliability of polling stations and tabulation .