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目前,由美国农业部(USDA)的科学家们设计出一项新程序能够改进基于PCR的植物病害检测方法。曾在美国农业部农业研究服务中心(ARS)任职的植物病理学家Norm Schaad认为
Currently, a new program is designed by scientists at the U.S. Department of Agriculture (USDA) to improve PCR-based plant disease detection methods. Norm Schaad, a plant pathologist who served at the U.S. Department of Agriculture’s Agricultural Research Service (ARS)