sif meaning in English

伴音中频
剑丘
社会保险基金
西夫
希夫
希芙
下段,尾段
中音频
纵向沙丘

They found that the dynamic sif decreases as the stiffer material is approached .
他们发现随着较刚性的材料接近，动态应力强度因于减少。
The dynamic sif variation was found to lag behind the stress-pulse impingement by several microseconds .
人们发现，动态应力强度因子的变化滞后于应力脉冲冲击几微秒。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches .
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。
Sif of pavements with cracks under dynamic loading
动荷载作用下含裂缝公路结构体的应力强度因子
Internationalisation of sif and harmonisation with other specs standards
Sif国际化和其他规范标准的协调性

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