时间上的分布 meaning in English

temporal distribution

Secondly , the schedule and the cost have intimate inner connection , and the cost is not be carried out once and be scattered in the constructive period
但进度与费用之间存在着密切的内在联系。费用不只是一笔总费用，还存在着时间上的分布。
According to the situation of total nitrogen s increasing in the groundwater in jilin city , the article analyses the distribution law of total nitrogen in space and time
摘要针对吉林市城区地下水中总氮浓度逐年升高的现象，本文对总氮浓度在空间上和时间上的分布规律进行了研究。
Abstract : according to the type of potential geological catastrophes in the area of chongqing city , the paper analyses the distribution characteristics of these catastrophes in respect of time and place and the impact of these catastrophes on urban and rural facilities , traffic and social economics
文摘:本文根据重庆市地质灾害的类型，总结了地质灾害在空间和时间上的分布特征，并分析了地质灾害对城镇、交通和社会经济的危害性。