After a roller-coaster week, Wall Street closed up today. The rebound comes after the Fed cut its key discount rate a half percentage point Friday morning.
纽约股市在经历一个星期的震荡起伏后，今天以涨势收盘。星期五早晨美联储宣布降低贴现率是这次反弹的原因。
The Volkswagen Thinking roller coaster - a thrilling online ride that explains the key Volkswagen efficiency technologies.
大众汽车思考过山车-一场惊心动魄的在线乘坐大众解释效率的关键技术。
The related key technologies are solved , such as the roller coaster force model, the track modeling method, the load and boundary determination.
解决了基于ANSYS软件的原子滑车轨道的强度分析的关键问题，如高速滑车的受力模型，轨道的建模方法、载荷和边界条件的确定。
The related key technologies are solved , such as the roller coaster force model, the track modeling method, the load and boundary determination.
解决了基于ANSYS软件的原子滑车轨道的强度分析的关键问题，如高速滑车的受力模型，轨道的建模方法、载荷和边界条件的确定。
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