请帮忙分析下面句子成分,

题目

请帮忙分析下面句子成分,
The millions of calculations involved would have lost,had they been done by hand,all practical value by the time they were finished.
前面2句是虚拟语气,最后那句是啥意思,在句中做什么成分!

答案

主干成分：calculations would have lost value.主语calculations ,谓语would have lost,宾语practical value .by the time they were finished作状语.可以翻译为：如是手工操作,到完成的时候,涉及到的成百万次的计...