“hierarchical structure”概念、定义、翻译-科学时代

单词	hierarchical structure
释义	信息与系统科学词汇手册 hierarchical structure 层次结构，递阶结构
随便看	rigid body rigid body rigid body rigid body rigid-body dynamics rigid body rotation rigid boom system rigid classification rigid clutch rigid connection rigid constitution rigid constitution rigid construction rigid container rigid cost-plus pricing rigid coupling rigid crust rigid demand rigid disk rigid dynamics rigid earth rigid-flexible joint of sealed zone rigid foamed plastics rigid frame rigid frame bridge

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。