This paper studies the drivetrain of single-engine sweeper special chassis, based on analysis of vehicle characteristics and operating features, to make a new single-engine drivetrain program.

本文旨在研究节能环保型单发动机清扫车专用底盘动力系统，在分析清扫车工作特点及性能要求的基础上，制定出新的单发动机动力系统方案。

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Representing the university administration at the meeting was Melanie Boyd, director of undergraduate studies in the Women's, Gender, and Sexuality Studies program and special adviser to the dean of Yale College and the student-run Women's Center.

WSJ: Peter Berkowitz: Is Yale University Sexist?

That plastic solar cell was created through a special program at Georgia Tech called the Center for Organic Photonics and Electronics (COPE), which studies the use and development of printed electronics.

FORBES: Scientists Create Recyclable Solar Cells From Trees