The replacement of equilibrium concentration by analyticalconcentration in determination of stability constants of complexes with equilibrium-shift method will lead great error.
平衡移动法在使用中时常以反应物的分析浓度代替平衡浓度，以致引起不容忽视的误差。
2
Yet in fact, concentration, analytical and problem solving skills can be enhanced by studying math.
其实，学习数学可使我们更懂得集中精神，并分析和解决问题。
3
Multiple wave scattering and dynamic stress concentration in structures with interfacial layers are analyzed and studied to give the analytical method for solving this problem.