counting period meaning in English

计算间隔

On the basis of analyzing the main characters of empty container allocation system and referring to the depending on personal experience actuality of empty container management of china shipping companies , this thesis detected the essential factors , that is , demand port and supply port , demand and supply of empty containers , stocks of empty containers , leasing containers and counting period of empty container allocation system , which mostly affect the empty container allocation system and confirmed the main purposes of the empty container allocation system
本文在分析空箱分派系统的随机性、动态性、复杂性和时间空间限制型等主要特征的基础上，结合我国船公司集装箱空箱分派依靠人为经验管理的现状，找出了在空箱分派系统中起关键作用的基本要素? ?供给港和需求港、空箱需求和供给、空箱库存保有量、空箱租赁、空箱分派系统计算期等，确定了空箱分派系统要实现的主要目标，即船公司收益和托运人满意度。