A speed relative to average reading speed=1.2什么意思

问题描述：

A speed relative to average reading speed=1.2什么意思
到底是A快还是average reading speed快?
A是average reading speed的1.2倍还是average reading speed是A的1.2倍?
换言之,如果A speed relative to average reading speed=0.9是否说,A的用时更少?

1个回答分类：综合 2014-10-10