“environmental problems”的概念、定义、翻译、参考文献-科学参考

单词	environmental problems
释义	environmental problems Encyclopedia 工学〔基础词条〕释 environmental problems环境问题由于人类活动作用于周围环境所引起的环境质量和自然资源的变化，以及这种变化对人类的生产、生活和健康造成的影响。
随便看	backstroke of Summer Special Olympics back substitution back-substitution back-substitution process back surface backswept back-testing backthrust back titration Back to 1942 back to back Back to Back, Face to Face Back to Country Life Back to Methuselah Back to Spring Back to The Future Back to the Origin of Poetry backtracking backtracking line search Backtracking Organization Backtracking Search backtracking strategy search backup backup and recovery back-up battery

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。