“J积分准则”的概念、定义、翻译、参考文献-科学参考

单词	J积分准则
释义	J积分准则 Encyclopedia 理学﹝断裂准则﹞释 J integral criterionJ积分准则弹塑性断裂力学中的一种起裂准则：当代表驱动裂纹平移延展的广义能量力的，环绕裂纹尖端且与路径无关的能动量平移守恒积分（称积分）等于材料相应的临界值（即临界积分）时，弹塑性材料中的裂纹开始扩展。
随便看	nearly free electron model nearly independent particle system nearly integrable system nearly optimal nearly parabolic comet nearly parabolic orbit nearly perfect code nearly perfect crystal nearly poised series nearly reducible matrix near-magic nucleus near mapping near-marine sediment geochemical survey near miss near-monochromatic radiation near-natural wetland near nature fiver engineering method near neighbor near neighbor problem nearness nearness product space nearness space near neutral stress corrosion near noble number near-normal distribution

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。