分次: gradation到期: fall due下次到期日: next due date一次到期债券: term bond见票或到期后分次承付的票据: bill at usance到期: become due; mature; expire; at maturity; due(of an obligation) 他们的执照已到期。 their licences have expired. 这票据什么时候到期? when does the bill fall [become] due? 签证下月到期。 the visa expires next month初次到庭: the first appearance次到日本: japon第一次到达: original arrival分次环: graded ring分次模: graded module每分次: count per minute; cpm批,分次: batch到期,到期日: maturity不可分次数: degree of inseparability; inseparable degree分次的,分割的: fractionated分次分析法: fractional analysis分次辐照: fractionated irradiation分次服用: part vic分次更新率: fractional turnover rate分次剂量: fractionated dose分次检验: progressive survey分次结晶: fractional crystalization; fractional crystallization分次理想: graded ideal分次曝光: multiple exposure