亚晶界是指每个晶粒有时又由若干个位向稍有差异的亚晶粒所组成，相邻亚晶粒间的界面。
n. subboundary
misc. lineage boundary
温度的降低阻碍亚晶界的湮没；
The reduction of temperature hinders the process of annihilation.
金属和合金中的面缺陷包括晶界、亚晶界、孪晶界、相界、堆垛层错、外表面等。
The plane defects of metals and alloys include grain boundary, sub-grain boundary, twins grain boundary, phase boundary, stacking fault, outward surface, etc.
发现适当降低聚焦加热灯强度、提高衬底加热温度可以降低固化前沿温度梯度，从而降低亚晶界等缺陷密度。
It is found that the temperature gradient of solidifying front edge could be reduced by reducing focused lamp intensity and increasing substrate temperature.
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