常見例句雙語例句Low surface insulation resistance (SIR) of a printed circuit board (PCB) can degrade the performance of the circuits on the board considerably.印制電路板的表面絕緣電阻（SIR）低會大大降低電路板的電路性能。The modal parameters of the printed circuit board(PCB) were calculated using finite element method, and the weaknesses of PCB were found using effective modal masses and mode shapes.采用有限元方法對印制電路板進(jìn)行了模態(tài)分析，依據(jù)有效模態(tài)質(zhì)量和模態(tài)振型分析了振動環(huán)境下配制電路板的薄弱環(huán)節(jié)。BeagleBoard is supported by a large community and its design documents, including architecture drawings of the printed circuit board (PCB) for use in manufacturing, are freely available for download.BeagleBoard 受一個(gè)規(guī)模很大的社區(qū)支持，而它的設(shè)計(jì)文檔，包括生產(chǎn)用的印刷電路板 (PCB) 的架構(gòu)草圖，均可免費(fèi)下載得到。權(quán)威例句Orbotech Ltd. ( ORBK) is a leading global provider of production solutions for the printed circuit board (PCB) and flat panel display (FPD) markets.FORBES: Time To Buy This Israeli Electronics Stock 返回 printed circuit board pcb