短語詞組短語differential difference inequality 反向的differential inequality theories 微分不等式理論HJI differential inequality HJI 微分不等式partial differential inequality [數(shù)]偏微分不等式Differential inequality method 微分不等式方法differential inequality theory 微分不等式理論differential middle value inequality 微分中值不等式the differential inequality theory 微分不等式理論impulsive differential inequality 脈沖微分不等式 返回 differential inequality