它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。

它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。的英文翻译

基本释义

• Their results showed a more rapid rate of increase in the dynamic SIF for blunt than for sharp notches.