例句與造句

1. Quantity equation of exchange
   交易數(shù)量方程
2. 2 . based on the analysis of the historical evolution of jinan springs ' spurting , a quantity equation between the anaual average spring discharge and the anaual lowest water table is built according to the statistic data , which enable us to gain the corresponding relation between baseline water level and the smallest scenic discharge of spring gushing . then the groundwater discharge in the spring area is calculated and the controlling parameter of maximum available amount of groundwater exploiting is obtained
   泉域總面積1486平方公里。 (二)通過(guò)分析濟(jì)南市泉群噴涌歷史統(tǒng)計(jì)資料，首先建立泉群年平均噴涌量與年最低地下水位之間的定量方程，得出四大泉群噴涌的底限水位與最低景觀(guān)流量的對(duì)應(yīng)關(guān)系，然后，計(jì)算泉域內(nèi)地下水的入滲補(bǔ)給量，再得出保證泉涌的地下水最大允許開(kāi)采量的控制性參數(shù)。
3. It's difficult to find quantity equation in a sentence. 用quantity equation造句挺難的