“Ullman E L”的概念、定义、翻译、参考文献-科学参考

单词	Ullman E L
释义	Ullman E L Encyclopedia 工学〔工业革命～1945﹞释 Ullman E L乌尔曼，E.L. （1912～1976）美国城市地理学家、经济研究专家，应用地理学的代性人物。
随便看	marine pelagic fish marine persistent organic pollutants marine persistent toxic substances marine phosphorus cycle marine photic zone marine photosynthetic bacteria marine physical self-purification capacity marine physics marine phytoplankton marine pipelines marine plankton marine plant resources Marine Policy for America marine pollutant marine pollutant transfer marine pollution marine pollution eco-chemistry marine pollution ecology marine polychaete marine position fixing marine positioning equipment marine power plant marine power station marine primary productivity marine priority pollutants

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