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。

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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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It also makes clear the further potential of our compact vehicle architecture, which provides the basis for the A- and B-Class models that led the German market in their respective segments in the first quarter of 2013.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV

The weekly relative performance broke its downtrend, line b, in mid-October and led the price breakout.

FORBES: Don't Bet Against the Consumer

B-movie star, who has consistently led the opinion polls, much to the indignation of businessmen.

ECONOMIST: Strictly ballroom