例句與造句

1. The refinement mechanism of grain at room temperature can be described as dislocation tangle and dislocation node form in the initial grain with severe plastic deformation , then the dislocation node form subgrains or grains . subgrains become grains by snipping of the subgrain boundaries under the action of shearing stress
   室溫ecap細化晶粒的機理可描述為：隨著強烈塑性變形的進行，原始晶粒中產(chǎn)生了很多位錯纏結(jié)和位錯胞，進而位錯胞崩塌變?yōu)閬喚Щ蚓Я?，亞晶粒在后續(xù)ecap剪應(yīng)力作用下，通過亞晶界被剪斷而變?yōu)榫Я！?
2. It's difficult to find dislocation node in a sentence. 用dislocation node造句挺難的