The detection frequency of anterior, middle and posterior ethmoidal canal (AEC, MEC, PEC) was 100%, 42.9%, 99.5%.是什么意思_The detection frequency of anterior, middle and posterior ethmoidal canal (AEC, MEC, PEC) was 100%, 42.9%, 99.5%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句