例句與造句

1. The grainboundary might absorb dislocations emitted from the crack tip , and emitted dislocations into neighbor grain , and them leaving behind a dislocation free zone in the front of a grainboundary , this kind of dislocation free zone
   首次發(fā)現(xiàn)黃銅裂尖前方形變孿晶，微裂紋在各個孿晶中形核、擴(kuò)展，然后相互連接，使裂紋呈z字形擴(kuò)展。
2. It was found that many dislocations were emitted from the crack tip during the early stage of crack propagation and were driven out of the crack tip area , and them piled up inversely . a closed dislocation free zone ( dfz ) was formed between the crack tip and the pile - up dislocations . keeping displacement constant , the dislocations were still emitted from the crack tip for a while
   本文首先系統(tǒng)地研究了工業(yè)純金屬( fe ， al ， ti和mg )斷裂的微觀過程，發(fā)現(xiàn)所研究的工業(yè)純金屬斷裂過程裂尖均首先發(fā)射位錯，并離開裂尖向前運(yùn)動、在裂尖留下無位錯區(qū)，位錯反塞積在五位錯區(qū)的端部，反塞積位錯群一般呈封閉狀包圍無位錯區(qū)。
3. Many dislocations were emitted from the grainboundary in the front of crack and were driven out of grain boundary area , leaving dislocation free zone in the front of grainboundary . a concept of grainboundary dislocation free zone is proposed . the deformation in the front of crack tip in magnesium was single slip , which resulted in the thinning in the area of crack tip
   首次發(fā)現(xiàn)裂尖前方晶界對裂尖發(fā)射的位錯有排斥作用，裂尖前方的晶界可以向晶界兩側(cè)晶粒發(fā)射位錯，位錯從晶界發(fā)出后迅速離開晶界向前運(yùn)動，形成晶界無位錯區(qū)，首次提出晶界無位錯區(qū)的概念。
4. It's difficult to find dislocation free in a sentence. 用dislocation free造句挺難的