“边界”概念、定义、翻译-科学时代

单词	边界
释义	经济学词汇手册 bound 边界
随便看	planar linkage mechanism planar mirror planar neutron source planar osculating angle planar parallel motion planar pivot four-bar mechanism planar rotation matrix planar technique planar technology planar transistor planar type detector planar wave planar waveguide planar winding planation planation planation stream piracy planation surface Planchon planchonella Planck constant Planck constant Planck constant Planck era Planck formula

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。

bound