n. 起源, 起因, 出身, 开端

[计] 原点; 起始地址; 信件来源的相关数据

n. properties attributable to your ancestry

n. an event that is a beginning; a first part or stage of subsequent events

n. the point of intersection of coordinate axes; where the values of the coordinates are all zero

n. the source of something's existence or from which it derives or is derived