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于小飞, 张 亮, 贾学桦, 刘 枫
环境保护前沿Vol.14 No.2, 全文下载: PDF HTML XML DOI:10.12677/aep.2024.142052, April 30 2024
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徐作维, 王学志
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李 靓 科研立项经费支持
教育进展Vol.15 No.3, 全文下载: PDF XML DOI:10.12677/ae.2025.153453, March 21 2025
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土木工程Vol.7 No.3, 全文下载: PDF HTML XML DOI:10.12677/HJCE.2018.73039, May 14 2018
初中数学教材习题的比较研究——以北师版与苏科版“勾股定理”章节为例A Comparative Study of Exercises in Junior Middle School Mathematics Textbooks—The Chapter “Pythagorean Theorem” in the BNUP and the JPSP as an Example
张进科, 杨 祺
理论数学Vol.14 No.6, 全文下载: PDF HTML XML DOI:10.12677/pm.2024.146222, June 11 2024
云南元阳大坪老金山矿段二长斑岩地球化学特征及地质意义Geochemical Characteristics and Geological Significance of the Monzonitic Porphyry in the Laojinshan Section of the Daping Gold Deposit, Yuanyang, Yunnan Province
单学斌, 张学琳
地球科学前沿Vol.15 No.4, 全文下载: PDF XML DOI:10.12677/ag.2025.154047, April 17 2025