null〔名词〕零(不存在,无价值;adj.零的(不存在的,无效的)详细»
null零位(传感器的)[ 使输出的绝对值为最小的平衡位置。(IJE)]详细»
无意义be of no consequence;insignificance;insignificancy详细»
无意义am of no consequence;are of no consequence;insignificance;insignificancy;poitlessness;was of no consequence;were of no consequence详细»