charging period

基本解释

When the subscriber begins to answer, the telephone link to the subscriber has been established and the charging period comes into effect.
当用户回答时，便意味着到用户的电话线路已经建立，并且开始计费。
The children are not allowed to contact with this unit during charging and heating period; no one is allowed to use this unit during charging and heating period.
严禁儿童在充电加热时接触本产品；严禁任何人在充电加热时使用本产品。
This paper also will introduce the features of ice charging period and ice melting period of the system. So it provides the theory reference for the system design.
同时对系统的蓄冷和释冷特性进行了较全面的介绍，为系统设计提供了理论性指导。

Until this week, the proposed anti-terror bill also included a plan to extend the period for which police can hold terror suspects without charging them, from 14 to 90 days.
ECONOMIST: Liberty versus security equals controversy The
On the other hand, it seems that no matter what period of time you pick you can always find a few charging bulls and snarling bears offering their opinions and forecasts.
FORBES: Taking (Apart) Buffett At His Words