“营养物基准”的概念、定义、翻译、参考文献-科学参考

单词	营养物基准
释义	营养物基准 Encyclopedia 工学大气污染物环境基准释 nutrient criteria营养物基准水体中产生的生态效应不危及其功能或用途的营养物浓度或水平。可以反映受到人类开发活动影响程度最小的地表水体营养状态。主要指地表水体中浮游藻类生物不产生过量生长现象（水华现象），不致危害该水生态系统结构或功能的水体中营养物质的安全阈值。
随便看	second-order circuit second order coherence second-order coherence second-order coherence and second-order correlation function second-order constraint qualification second order correlation second order correlation function second-order correlation function second-order curve second order day number second-order derivative second-order design second-order difference second-order differential second-order differential equation second order discrete optimal control law synthesis second order effect second-order efficiency second-order efficient estimator second-order Euler triangle second-order functional calculus second-order language second-order logic second-order memristor second-order model theory

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。