“费城黑人：一项社会研究”的概念、定义、翻译、参考文献-科学参考

单词	费城黑人：一项社会研究
释义	费城黑人：一项社会研究 Encyclopedia 工学〔工业革命～1945﹞释 The Philadelphia Negro: A Social Study《费城黑人：一项社会研究》研究美国黑人聚居区状况的社会学著作。美国社会学家W.E.B.杜波依斯（William Edward Burghardt Du Bois，1868～1963）撰写。
随便看	reducible surface reducible system reducible term reducible topological space reducible transformation reducible variety reducible Verma module reducing reducing agent reducing column of Chinese timber construction reducing emissions from deforestation and forest degradation and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks in developing countries reducing factor reducing flame reducing mill Reducing Process reducing projector reducing roasting of mineral raw material reducing subspace reducing sugar reducing terminus reducing toxicity and strengthen effects Reducing type of residential area reductan reductan; reducing agent reductant

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。