It is difficult for moving dim target to tracking and detect because the Signal Noise Ratio(SNR) of target is low and it has not texture etc.是什么意思_It is difficult for moving dim target to tracking and detect because the Signal Noise Ratio(SNR) of target is low and it has not texture etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句