“arctic tree line”的概念、定义、翻译、参考文献-科学参考

单词	arctic tree line
释义	arctic tree line [`ärd·ik ¦trē ´līn] ^ECOLOGY The northern limit of tree growth; the sinuous boundary between tundra and boreal forest.
随便看	omega particle omegatron omentum omethioate omission omission factor omission solid solution ommatidium ommatophore omnibearing omnibearing beacon omnibearing converter omnibearing-distance navigation omnibearing distance station omnibearing indicator omnibearing line omnibearing selector omnidirectional omnidirectional antenna omnidirectional hydrophone omnidirectional range omnidistance omnifocal lens omnigraph omnimeter

科学参考收录了103327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。