根据哈蒙德博士等三位撰文者所称，英美烟草公司的研究人员早在1972年到1994年间，就对上述大部分问题进行了一系列量化调查研究。

According to Dr Hammond and his colleagues, a series of studies conducted by BAT's researchers between 1972 and 1994 quantified much of this.

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根据哈蒙德博士等三位撰文者所称，英美烟草公司的研究人员早在1972年到1994年间，就对上述大部分问题进行了一系列量化调查研究。

According to Dr Hammond and his colleagues, a series of studies conducted by BAT's researchers between 1972 and 1994 quantified much of this.

youdao