The reasons of the improvementofstability and the prolongation of tack free time were analyzed and the optimal amount of dehydrating agent was studied in this article.
分析了添加脱水剂后密封胶储存稳定性提高以及表干时间延长的原因，研究了脱水剂的最优添加量。
2
And for Dr Herr, there will always be room for improvement in the speed, stability and energy-efficiency of his legs.
对何博士而言，他的脚永远可以在速度、稳定性、和能源效率上有改进的空间。
3
A: The South and the North are masters of the Peninsula. Peace and stabilityof the Peninsula should be based on the improvement of South-North relations, which China supports.