Using the homotopy mapping theory, class of nonlinear problems were studied.利用同伦映射理论, 本文研究了一类非线性问题.Geological mapping methods of granites are defined by granite classifications.花岗岩类的分类理论决定其填图方法.The definition of operator...
He has too much work on hand to go picnicking with us.他手头的工作太多了,不能跟我们去野餐.Whether we will go picnicking tomorrow depends on the weather.明天我们是否去野餐取决于天气好坏.We'll go picnicking in the woods.我们将去树林里野餐....