The lack of classical or native representative case is an important factor that affects the effect of case teaching.
经典案例或本土代表性案例的缺乏是影响案例教学效果的重要因素。
2
Presently, there are not many representative conclusions, so this chapter gives a new perturbation bounds for the unitary polar factor.
目前具有代表性的结果不是很多，本章中给出新的酉极因子扰动欧氏范数上界。
3
The representative chemical index and the typical water sample were obtained by means of absolute value correlative analysis and Q type factor analysis respectively.