However, he had not considered that the Arab  miles were longer than Roman miles and wrongfully assumed that the Arab estimations agreed with  the smaller of the Greek and Roman estimations.

然而，他没有考虑到阿拉伯英里比罗马英里长，并错误地认为阿拉伯的估计与希腊和罗马的估计中较小的一个一致。