Influencing factors on the transmission loss of light signs and the loss limit of plastic optical fiber are discussed, particularly for graded index plastic optical f ibers.是什么意思_Influencing factors on the transmission loss of light signs and the loss limit of plastic optical fiber are discussed, particularly for graded index plastic optical f ibers.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句