以下为句子列表：
英文: 1990 First chemopreention trial to show efficacy - itamin A analogue against mouth and throat tumors.
中文: 1990年,首个化学预防试验显示效果-维生素A类似物预防口腔和喉肿瘤.
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英文: 1990 First chemoprevention trial to show efficacy - vitamin A analogue against mouth and throat tumors.
中文: 1990年,首个化学预防试验显示效果-维生素A类似物预防口腔和喉肿瘤.
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英文: 5 Lahaie RG, A randomized trial of the efficacy of three regimens for t he eradication of Helicobacter pylori. Gastroenterology 1995;108:A141.
中文: 6刘文忠，吕宝妹，萧树东等.含克拉霉素的短程三联疗法根除幽门螺杆菌.中华内科杂志1996；35：803-806.
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英文: A common understanding of high-efficacy and it's processing technology is reached in 2000 National High-efficacy Comber Processing Technology Interchange Conference.
中文: “2000年全国高效能精梳机工艺技术交流研讨会”就高效能精梳机及其配套工艺技术达成了共识。
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英文: A high-powered magnetic chip was fitted in the anti-snore apparatus. Using magnetism to activate nasal tissue, its curative efficacy is obvious.
中文: 止鼾器内植入由微量元素和磁性材料合成的高性能治疗芯片，刺激鼻部组织，止鼾效果显著。
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