The system works welland has significances to energy saving and environmental protection.本工程对节省能源和保护环境具有重要意义.What are the aims and significances of the recovery test?回收率试验的目的和意义是什么?Results: The significances of TDA cours...
Many predict 1991 will rival the great vintage of 1965.许多人预测1991年酿制的葡萄酒可以与1965年生产的佳酿相媲美。The most recent polls predict a tight three-way race.最近的调查显示，这将是一场三方激烈角逐的比赛。Weather forecasts predict more hot weather, gusty winds ...
绝大多数非线性微分方程是不能用解析方法求解的.The overwhelming majority of nonlinear differential equations are not soluble analytically.与微分相反的运算叫做积分.The operation that is the inverse of differentiation is called integration.这称为正规微分方程组.This is...