Supreme Court Justice John Roberts’ Unconventional Speech to His Son’s Graduating Class　　Rain， somebody said， is like ......

A new planar split dual gate (PSDG) MOSFET device, its characteristics and ex-perimental results, as well as the three d......

Everywhere in Beijing there areuniformed men. Standing toattention on little boxes outsidemy office building, dozing inb......

结合水工闸门工作特点 ,通过对全国 81座大型水库门前年峰水位的统计分析 ,阐明了门前峰水位 (年水头峰值 )基本服从于正态分布 ,......