calculate upon

You cannot calculate upon fine weather.

你不能指望好天气.

They calculate upon thirty people attending the evening party.

他们预计会有30人参加这次晚会.

External hydraulic pressure upon tunnel lining is one of important factors of design lining in tunnel engineering. How to calculate external hydraulic pressure upon tunnel lining is an urgent problem.

隧道工程中地下水作用在衬砌上的外水压力是进行衬砌设计的一个重要因素，如何确定外水压力是隧道工程界迫切需要解决的一个问题。

I calculate upon earning 5000 pounds a year.

我预估一年可赚五千英镑.

Based on fine breeze model, atmosphere pollution prediction software is developed with Visual Basic to calculate the ground concentrations of smokes atmosphere pollutants at different downwind distances, and assess their impact upon the environment.

根据点污染源的微风扩散模式，利用VISUAL BASIC编制了发烟剂大气污染物的浓度预测软件，用于计算污染物在下风向不同距离处的落地浓度，并对计算结果进行简单的评价分析。

We cannot calculate upon having fine weather for the sports meeting.

我们不能指望着开运动会时会有个好天气.