experimental investigation短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 试验研究 According to the work of the predecessor and our experimental investigation we propose the method that can be correctly measure the performance of the background correction in AAS. 本文根据前人和作者的工作实践提出了一套对原子吸收光潜分析中背景校正性能的测试方法。 iciba