Tobacco varieties are the material basic of tobacco leaves production which is not substitute, the key of development of tobacco agriculture and progression of tobaccoscience and technology.
品种又是烟草生产不可替代的重要物质基础，是烟草农业实现飞跃的关键，是整个烟草行业科技进步的关键。
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To improve the safety of cigarette smoking, the tobacco industry scientists strive to reduce the harmful ingredients in cigarette smoke through a variety of advanced science and technology.