At the same time that the LEP was being constructed in Europe, the U.S.Department of Energy was building a competing machine at the Stanford Linear Accelerator Center (SLAC).是什么意思_At the same time that the LEP was being constructed in Europe, the U.S.Department of Energy was building a competing machine at the Stanford Linear Accelerator Center (SLAC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句