light framework A set of light rods that make a rigid framework. As the masses of the rods are negligible the forces acting in the rods can be determined by considering the forces acting at the joints.
light framework
数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。