If such a query (or a more complex one) were to be repeated a few hundred (or thousand) times, the difference between the two approaches would start to become quite drastic.
如果这样一个查询(或更复杂的查询)要重复几百(或上千)次,那么这两种方法之间的差别将变得非常明显。
2
The first time the stress test was carried out and repeated the material became less stiff and strong, but the team says that further compressions made very little difference.