In optical recording, a microscopic depression made on the disk surface by the recording laser beam. Recorded information is contained in the pits and the spaces between pits-lands.是什么意思_In optical recording, a microscopic depression made on the disk surface by the recording laser beam. Recorded information is contained in the pits and the spaces between pits-lands.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句