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科技进步统计
释义
科技进步统计
Encyclopedia
理学
科学技术统计
释
statistics for scientific and technological progress
科技进步统计
以科技进步为研究对象的统计工作。科技进步是指科学与技术不断发展的一个动态过程,是科学与技术发展水平由低阶层次不断向高阶层次演进变化的过程,是社会进步的重要标志。
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pollution by iron
pollution by lead
Pollution by Manganese
pollution by mercury
pollution by molybdenum
pollution by nickel
pollution by nitrogen oxides
pollution by organochlorine pesticides
pollution by organonitrogen pesticides
pollution by organophosphorus pesticides
pollution by particulates
pollution by pesticides
pollution by pharmaceuticals and personal care products, PPCPs
pollution by plasticizer
pollution by polychlorinated biphenyls
pollution by polycyclic aromatic hydrocarbons
pollution by selenium
pollution by sulfur
pollution by sulfur oxides
pollution by tin
pollution by vanadium
pollution by zinc
pollution chemistry
pollution control chemistry
pollution control for agricultural land
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。
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更新时间:2025/10/12 19:09:49