Because the quantitative analysis of oxygen can't be done by general equipment, it is still lack of systematically investigation of precipitates and induced defects in heavily doped Cz-si.
但由于重掺硅中氧浓度定量测试受到方法限制，重掺硅单晶氧沉淀及其诱生缺陷至今未得到全面而深入地研究。
Because the quantitative analysis of oxygen can't be done by general equipment, it is still lack of systematically investigation of precipitates and induced defects in heavily doped Cz-si.
但由于重掺硅中氧浓度定量测试受到方法限制，重掺硅单晶氧沉淀及其诱生缺陷至今未得到全面而深入地研究。
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