sif
abbr.
selective identification feature 选择识别特征;
例句:
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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.
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The dynamic SIF variation was found to lag behind the stress - pulse imingement by several microseconds.
动态应力强度因子的变化发现滞后于应力脉冲冲击几微秒.
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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.