time base period

基本解释

Base Load In trunk forecasting, an amount of telephone traffic measuring during a certain defined time. See Base Period.
基本负载中继预测中，在某一指定时间内测得的电话话务量总数。
The article illustrates the water supply and demand conditions in different period of time on the base of water resources analysis in Cixi city.
通过对全市水资源调查分析基础上，计算了不同时期全市水资源的供需状况。
In 20-30s of this century, In the face of aggression, Nankinggovernment ever assumed to depend on northwest for a long period time backside base.
20世纪30年代，面对日本帝国主义的入侵和西北的边疆危机，南京政府曾设想依靠西北为长期抗日的后方根据地，并进而带动西北的经济开发。
d.wanfangdata.com.cn

Back to Karkand is a massive, themed expansion pack available for a period of time after the base game, developed by a separate team at DICE who last created Battlefield: Bad Company 2 Vietnam.
FORBES: Electronic Arts' DICE Responds to Battlefield 3 DLC Controversy
The era of engineers and entrepreneurs swinging for the wall every time they stood on the stage is closing and now we are in a period of consistant base hits.
FORBES: Launch Conference Indicates End to Tech Decade of Disruption