He had coarsened his voice to an approximation of Cockney.他让自己的口音变得粗俗起来，接近伦敦东区的发音。That's just an approximation, you understand.你知道那仅仅是近似值。This is the nearest approximation of cost that they can give us.这是他们能够给我们的最接近...
Existence, approximation and stability of integrable minimum positive solutions for the above equation are gained.并得到了上述方程可积极小正解的存在性 、 逼近性、稳定性.The successive approximation converter is of medium speed, and average resolu...