GR can be acquired using the original data after their accumulation so as to get the relevancy matrix, from which the technological routes can be selected taking the lowest risk effect as its criterion.是什么意思_GR can be acquired using the original data after their accumulation so as to get the relevancy matrix, from which the technological routes can be selected taking the lowest risk effect as its criterion.在线翻译_英语_读音_用法_例句