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澳大利亚联邦科工组织(CSIRO)作物研究所的格拉克(Gerlach)博士等从美国引入了一种由美国科学家最先用无性繁殖细胞系培养出来的载有抗轮纹(Ringspot)病
Dr. Gerlach of the CSIRO Crop Research Institute introduced a Racypot-containing disease from the United States that was first cultivated by a US scientist in a clonal cell line