A new method to calibrate a large aperture infrared opto-electric system by using a small aperture illumination collimator is introduced in detail.是什么意思_A new method to calibrate a large aperture infrared opto-electric system by using a small aperture illumination collimator is introduced in detail.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句