In which one of them was common reinforced concrete structure, and the other used prestressed steel reinforced concrete (PSRC) in bottom chord of the transfer structure.

其中一榀模型为普通钢筋混凝土结构，另一榀模型在底部转换梁施加了预应力，并在底部转换梁及部分杆件采用了钢骨混凝土。

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Because of the disadvantages of the hydrogen detection methods at present, the hydrogen micro-sensor detection system was designed based on a new type of piezoelectric-sound-resonance cavity (PSRC).

针对目前氢气检测的各种弊端，设计了一种基于微压电声学谐振腔的氢气浓度检测系统。

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Eventually Palm was forced to spin off its software business into a company called PalmSource (nasdaq: PSRC - news - people ).

FORBES: How Palm Lost It

"It has been moved forward to September, mainly for preparation of documents, " a spokesman for Tanzania's Parastatal Sector Reform Commission (PSRC) told BBC News Online.

BBC: Air Tanzania sell-off delayed