Purpose Doublet chemotherapy is more effective than single-agent as first-line treatment of advanced non-small-cell lung cancer (NSCLC).

目的：在进展期非小细胞肺癌(NSCLC)患者一线化疗中，双药联合比但要更有效。

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The platinum-based doublet chemotherapy has been considered as the standard first-line treatment for NSCLC with the highest treatment efficacy.

至今，含铂两药化疗仍是非小细胞肺癌群体有效率最高的治疗首选；

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First there was the observation by Michelson who back in the late 1880s had done very precise interferal metric measurements of the hydrogen lines and had observed that the 656 nanometer line 3 associated with the transition of n equals 3 to n equals 2 was, in fact, a doublet.

首先是麦克逊,在1880年底的观察,他以公制单位对氢原子的光谱线,作了准确的，无其他因素干扰的，测量,发现当n值由3变为2时,会同时得到波长为656纳米的谱线3,实际上是有两条线。

麻省理工公开课 - 固态化学导论课程节选