“renewing period”的概念、定义、翻译、参考文献-科学参考

单词	renewing period
释义	renewing period Encyclopedia 农学﹝经济林生长发育规律﹞释 renewing period衰老更新期从产量出现连续下降，经济林树木生长势开始逐渐减弱，直至几乎没有经济产量为止的这段时期。又称更新复壮期、变产更新期。
随便看	parabolic net of spheres parabolic operator parabolic orbit parabolic parabola parabolic partial differential equation parabolic pencil parabolic pencil of circles parabolic pencil of lines parabolic pencil of rays parabolic pencil of spheres parabolic perspectivity parabolic plane parabolic point parabolic potential parabolic quadratic hypersurface parabolic quadratic surface parabolic radio telescope parabolic ray parabolic reflector parabolic refractive index optical fiber parabolic region parabolic regression parabolic Riemann surface parabolic ring cyclide parabolic rotation

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。