应优先选择( )物质开展物质人为流动分析 When we carry out a material anthropogenic flow analysis, the priority should be given to( )
A、与科学或技术发展密切相关的物质 The material with high scientific or technological interesting B、与科学或技术发展无关的物质 The material with no scientific or technological interesting C、与科学研究有关但与工程技术无关的物质 The material with high scientific interesting but no technological interesting D、与科学研究无关但与工程技术有关的物质 The material with high technological interesting but no scientific interesting