sub-grain 亚晶粒
ultra fine sub grain 超细亚晶粒
sub-grain rotated-induced 亚晶倾转
grain and sub-grain boundary 晶界和亚晶界
sub-grain boundary precipitation 亚晶界析出
sub grain boundary strengthening 亚晶界强化
sub micron grain 亚微米晶粒
sub-micron grain 亚微米晶
Dislocation cell and sub grain formed in ferrite grain are found at the stage of fatigue crack propagation in the area of crack tip.
疲劳裂纹扩展阶段裂纹尖端附近为形成于铁素体晶粒内的位错胞及亚晶。
In recent months, domestic food prices have risen sharply in South Asia and parts of sub-Saharan Africa, despite a fall in global grain prices over the past year.
最近几个月来，尽管去年全球粮食价格有所下滑，但南亚国家和部分撒哈拉以南非洲国家的国内食品价格出现了大幅上扬。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
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