英语词汇“X-datum line”的读音、翻译、释义、用法及例句-语文网

词汇	X-datum line
释义	X-datum line X－基准线一条假想的线，作为打孔卡片顶边的基准线，即Hollerith（何勒内斯）卡片上最靠近第12打孔行上方的边缘线。
随便看	inexplicable inexplicably inexplicit inexplorable inexplosive inexpressible inexpressibly inexpressive inexpugnable inexpungibility inexpungible inextensibility inextensible in extenso inextinguishable inextirpable in extremis inextricability inextricable inextricably inf. inf. in fact infallibility infallible

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