The etch pit density of SI-GaAs crystals can reach the order of 10~2/cm~2.There is no microprecipitate of indium in the crystals.是什么意思_The etch pit density of SI-GaAs crystals can reach the order of 10~2/cm~2.There is no microprecipitate of indium in the crystals.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句