David Eisenbach, who teaches a popular class on U.S.?presidents?at?Columbia,?prefers?the?in-class?variety.

戴维·艾森巴赫（David Eisenbach）在哥伦比亚大学教授一门关于美国总统的热门课程，他更注重课堂的多样性。

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David Eisenbach, who teaches a popular class on U.S. presidents at Columbia, prefers the in-class variety.

戴维·艾森巴赫在哥伦比亚大学教授一门关于美国总统的热门课程，他更偏爱课上考试。

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"The order-of-magnitude increase in computational power available with Titan will allow us to investigate even more realistic models with better accuracy" noted ORNL researcher and WL-LSMS developer Markus Eisenbach.

ENGADGET: Cray's Jaguar supercomputer upgraded with NVIDIA Tesla GPUs, renamed Titan