crystal boundary的用法和樣例：
例句
- Photomicrograph of alloy overheating showes fraction grain boundary coarsening and melt-back delta at first.
其過燒特徵最初表現為晶界局部加寬和復熔三角形的出現。 - The chromium depletion at a low-energy boundary segment introduced by twin emission into a random boundary was smaller than that of the original random boundary.
在大角度晶界上形成的局部的低能晶界的貧鉻程度明顯低於原來的大角度晶界的貧鉻程度。
