Improved MS改良MSimprovevt.改善；改进；提高vi.变得更好；改进improved Cramer-Shoup encryption改进的Cramer-Shoup加密improve the ecological environment改善生态环境improved Hard C- Means algorithmImproved mendibular growth advance改良MGA矫治器improved particle filter algorithm改进粒子滤波算法Improved Target Acquisition System改进的目标搜索系统improved soil road-mixing method改良土路拌法improve one's knowledge of English提高英语知识improved short-cut Bishop method改进简化Bishop法improve the investment environment改善投资环境