1. Some politicians tried to ingratiate rich or influential people so as to get more supporters. 一些政客努力迎合有钱或者有势力的人以便获得更多的支持者。
2. Methods:To find the influential factors of uncertainty, To analyze and evaluate the uncertainty. 方法：找出影响不确定度的因素，对不确定度进行分析，评估。
3. Therefore the psychological training to master the movement technology and enhance the result has an influential role. 所以心理训练对学习掌握运动技术和提高跨栏成绩具有重要作用。
