Inbry caught me a dragonfly.英布里给我抓了一只蜻蜓.The dragonfly feeds on mosquitoes and flies.蜻蜓捕食蚊蝇.How does a dragonfly twirl and dive in flight?蜻蜓在飞行中是如何旋转和俯冲的?...
The thesis first promotes based Object Oriented Modeling method - Aggregating & Deriving Mothod.本文首先提出了基于面向对象思想的 建模方法 ——聚合派生法.An SPE has built - in filtering, aggregating and correlating, and merging operators that manip...