“种群当量”的概念、定义、翻译、参考文献-科学参考

单词	种群当量
释义	种群当量 Encyclopedia 理学自然资源环境统计释 population equivalent种群当量衡量生物降解期间的耗氧量相对于一个人产生等量废水所需的平均耗氧量的相对需氧物质总量。
随便看	speed of economic growth speed of light speed of light circle speed of order k speed of photographic plate speed of rotation of the ecliptic speed of sound speedometer speed pulser speed quality speed reducer with point-line meshing cylindrical gear speed regulation index for electric drive speed roller skating speed servo system speed skating speed skating field speed skating long distance speed skating mass start speed skating short distance speed skating team distance speed strapdown inertial navigation system speed test speed training speed triangle of fluid machinery speedup

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。