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中国消费者报杭州讯记者施本允）防疫物资是当前生产生活的必需品，近日，浙江杭州互联网法院对一起涉防疫物资合同诈骗及境外电信诈骗案作出判决。被告人苏某犯诈骗罪、合同诈骗罪，数罪并罚，判处有期徒刑十二年，并
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在化学分析与检测领域，标准物质的准确性和一致性是确保实验结果可靠性的基石。特别是在处理如二硫化碳中乙苯溶液这类复杂体系时，标准物质的选择、制备以及分析过程中的每一个细节都至关重要。一、标准物质的选择与