Early favorable results led the Metro to equip all trains on its Line B - the newest line, and the line with the greatest flange wear - with the Kelsan LCF system.
早期令人满意的测试结果促使地铁公司在其最新的B线，也是轮缘磨损最厉害的线路上，将所有列车都安装了凯尔森的LCF系统。
More than four years ago by the Institute of Biology, Fudan University, Professor Xiong Sidong immunization led the team, set out to find the mechanism of hepatitis B virus infection.
四年多前，由复旦大学免疫生物学研究所熊思东教授领衔的团队，着手寻找乙肝病毒感染的机制。
More than four years ago by the Institute of Biology, Fudan University, Professor Xiong Sidong immunization led the team, set out to find the mechanism of hepatitis B virus infection.
四年多前，由复旦大学免疫生物学研究所熊思东教授领衔的团队，着手寻找乙肝病毒感染的机制。
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