两点辨距觉two-point discrimination
【经】 两点套汇two-point arbitrage in foreign exchange
二点测交two-point test
二点杂交two-point cross【生物】
两点边值问题two-point boundary value problem【数】
二点接着说theory of two-point attachment
二点离散空间two-point discrete space【数】
两点式two-point form【数】