The traditional X-ray exposure control methd is done with Ionization chamber or photodetector, which adds the complexsity and cost to the whole imaging system.是什么意思_The traditional X-ray exposure control methd is done with Ionization chamber or photodetector, which adds the complexsity and cost to the whole imaging system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句