per second calculation中文什么意思
按秒计费
- per: $2 per man 每 ...
- second: n. 1.秒 (=1/60分);秒( ...
- calculation: n. 1.计算,计算法。 2.推定, ...
例句与用法
- Combining with practical investigation and analysis , the author presented the fitting equation of the second non - uniform coefficient in which the method of least squares error approximation with the power index regression is used and proposed a modified formula for flow rate per second calculation to precisely determine the size of pipeline and to make the design advanced in technology and reasonable cost
本课题分析了室外和室内的设计流量公式,通过调查、实测本地区的水量资料,运用相关数学方法分析,提出了适合小区给水管网采用的流量公式。