那些人认为为车的大小和安全性相关的人指出，车型在二十世纪80年代变小，但此后二十年美国轻型车的平均尺寸又增大了。
Those who make the connection between size and safety point out that after slimming down in the 1980s, the average American light-duty vehicle has bulked up over the past two decades.
并证实了动态再结晶的平均晶粒尺寸与初始晶粒的分布和大小无关的结论。
The simulated results agree well with growth kinetics of dynamic recrystallization and validate the conclusion that the mean size of R-grain is independent of initial grain size and distribution.
外加应力大小对O相析出平均尺寸的影响可达106%，并且O相析出的尺寸标准差随外加应力增加而显著增大。
The effect of the applied stress magnitude on the average size of O phase is up to 106% and the size standard deviation of O phase increases considerably with applied stress increasing.
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