“annual ring”的概念、定义、翻译、参考文献-科学参考

单词	annual ring
释义	annual ring Encyclopedia 理学〔植物形态与结构〕释 annual ring年轮温带及其以北地区生长的树木通常在每年的一个生长期中，由维管形成层产生一圈次生木质部，在木材横切面上呈现明显的同心轮状结构。 Biology annual ring年轮
随便看	meandering coefficient of traverse meandering river meandering river channel Meandering Stream Garden mean derivative meander line mean deviation mean diameter mean difference mean distribution mean diurnal motion mean earth ellipsoid mean ecliptic sun mean electron concentration mean element mean entropy mean enveloping surface mean epoch mean equator mean equatorial sun mean equinox mean ergodic theorem mean-ergodic theorem mean error mean evolute

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。