But he said he would be extremely doubtful that the Sichuan dam had played a role unless there was a record of smaller quakes dating back to when it was filled.

• 但是他说他对四川的水坝对地震的发生起到了一部分作用的说法极度怀疑，除非那里有自水坝建成以来的小型地震的记录。